So I have been getting an error while using the forge-1.10.2-12.18.3.2185-installer. This is the message that appears:

I have found this that is often referenced to fix this issue: Locked Forge Installation

 

I went through the steps provided, and the end result looked like this:

:

The end result was this:

This is the (massive) dump info:

Spoiler

Considering library net.minecraftforge:forge:1.10.2-12.18.3.2185: Not Downloading {Wrong Side}
Considering library net.minecraft:launchwrapper:1.12: Not Downloading {Wrong Side}
Considering library org.ow2.asm:asm-all:5.0.3: Not Downloading {Wrong Side}
Considering library jline:jline:2.13: Not Downloading {Wrong Side}
Considering library com.typesafe.akka:akka-actor_2.11:2.3.3
Downloading library com.typesafe.akka:akka-actor_2.11:2.3.3
Trying unpacked library com.typesafe.akka:akka-actor_2.11:2.3.3
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar
Considering library com.typesafe:config:1.2.1
Downloading library com.typesafe:config:1.2.1
Trying unpacked library com.typesafe:config:1.2.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//com/typesafe/config/1.2.1/config-1.2.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/com/typesafe/config/1.2.1/config-1.2.1.jar
Considering library org.scala-lang:scala-actors-migration_2.11:1.1.0
Downloading library org.scala-lang:scala-actors-migration_2.11:1.1.0
Trying unpacked library org.scala-lang:scala-actors-migration_2.11:1.1.0
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar
Considering library org.scala-lang:scala-compiler:2.11.1
Downloading library org.scala-lang:scala-compiler:2.11.1
Trying unpacked library org.scala-lang:scala-compiler:2.11.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar
Considering library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
Downloading library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
Trying unpacked library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar
Considering library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
Downloading library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
Trying unpacked library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar
Considering library org.scala-lang:scala-library:2.11.1
Downloading library org.scala-lang:scala-library:2.11.1
Trying unpacked library org.scala-lang:scala-library:2.11.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar
Considering library org.scala-lang:scala-parser-combinators_2.11:1.0.1
Downloading library org.scala-lang:scala-parser-combinators_2.11:1.0.1
Trying unpacked library org.scala-lang:scala-parser-combinators_2.11:1.0.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar
Considering library org.scala-lang:scala-reflect:2.11.1
Downloading library org.scala-lang:scala-reflect:2.11.1
Trying unpacked library org.scala-lang:scala-reflect:2.11.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar
Considering library org.scala-lang:scala-swing_2.11:1.0.1
Downloading library org.scala-lang:scala-swing_2.11:1.0.1
Trying unpacked library org.scala-lang:scala-swing_2.11:1.0.1
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar
Considering library org.scala-lang:scala-xml_2.11:1.0.2
Downloading library org.scala-lang:scala-xml_2.11:1.0.2
Trying unpacked library org.scala-lang:scala-xml_2.11:1.0.2
java.io.FileNotFoundException: http://files.minecraftforge.net/maven//org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar
Considering library lzma:lzma:0.0.1: Not Downloading {Wrong Side}
Considering library net.sf.jopt-simple:jopt-simple:4.6: Not Downloading {Wrong Side}
Considering library java3d:vecmath:1.5.2
Downloading library java3d:vecmath:1.5.2
java.net.ConnectException: Connection refused: connect
    at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:64)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
Trying unpacked library java3d:vecmath:1.5.2
java.net.ConnectException: Connection refused: connect
    at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/java3d/vecmath/1.5.2/vecmath-1.5.2.jar
Unmrriored file failed, Mojang launcher should download at next run, non fatal
Considering library net.sf.trove4j:trove4j:3.0.3
Downloading library net.sf.trove4j:trove4j:3.0.3
java.net.ConnectException: Connection refused: connect
    at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:64)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
Trying unpacked library net.sf.trove4j:trove4j:3.0.3
java.net.ConnectException: Connection refused: connect
    at java.net.TwoStacksPlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
    at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar
Unmrriored file failed, Mojang launcher should download at next run, non fatal
Considering library net.minecraftforge:MercuriusUpdater:1.10.2
Downloading library net.minecraftforge:MercuriusUpdater:1.10.2
Trying unpacked library net.minecraftforge:MercuriusUpdater:1.10.2
java.io.FileNotFoundException: http://files.minecraftforge.net/maven/net/minecraftforge/MercuriusUpdater/1.10.2/MercuriusUpdater-1.10.2.jar
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:457)
    at net.minecraftforge.installer.DownloadUtils$URLISSupplier.getInput(DownloadUtils.java:445)
    at com.google.common.io.ByteStreams$6.openStream(ByteStreams.java:989)
    at com.google.common.io.ByteSource.copyTo(ByteSource.java:202)
    at com.google.common.io.Files.copy(Files.java:382)
    at net.minecraftforge.installer.DownloadUtils.downloadFile(DownloadUtils.java:375)
    at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:67)
    at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:131)
    at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:43)
    at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:406)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:165)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:51)
File not found in installer archive: /maven/net/minecraftforge/MercuriusUpdater/1.10.2/MercuriusUpdater-1.10.2.jar
 

Thanks in advance for your help!

Try download another installer (last stable build) of Forge

 

===

 

I think this is a problems in MC Forge maven repo

Edited June 14, 20178 yr by IvanSteklow

I have tried the recommended installer, both the windows and universal versions. I have tried the newest installer as well, and it always ends up the same. 

Does anyone have any other suggestions?