Downloaded the latest Forge installer for 1.8, latest version of java, clicked on Install Client and went on with it, but then it got stuck at Considering library org.scala-lang:scala-library:2.11.1
This is the stuff that was in the file that created itself as i started the installation
Considering library net.minecraftforge:forge:1.8-11.14.3.1487: Not Downloading
Considering library io.netty:netty-all:4.0.15.Final: Not Downloading
Considering library net.minecraft:launchwrapper:1.12: Not Downloading
Considering library org.ow2.asm:asm-all:5.0.3: Not Downloading
Considering library com.typesafe.akka:akka-actor_2.11:2.3.3
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library com.typesafe:config:1.2.1
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\com\typesafe\config\1.2.1\config-1.2.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-actors-migration_2.11:1.1.0
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-compiler:2.11.1
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-library_2.11\1.0.2\scala-continuations-library_2.11-1.0.2.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-plugin_2.11.1\1.0.2\scala-continuations-plugin_2.11.1-1.0.2.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-library:2.11.1
Checking "C:\Users\Gamer\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.11.1\scala-library-2.11.1.jar" internal checksums
Exception in thread "main" java.lang.IllegalArgumentException: MALFORMED
at java.util.zip.ZipCoder.toString(Unknown Source)
at java.util.zip.ZipInputStream.readLOC(Unknown Source)
at java.util.zip.ZipInputStream.getNextEntry(Unknown Source)
at java.util.jar.JarInputStream.getNextEntry(Unknown Source)
at java.util.jar.JarInputStream.getNextJarEntry(Unknown Source)
at net.minecraftforge.installer.DownloadUtils.validateJar(DownloadUtils.java:298)
at net.minecraftforge.installer.DownloadUtils.checksumValid(DownloadUtils.java:154)
at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:73)
at net.minecraftforge.installer.ClientInstall.run(ClientInstall.java:135)
at net.minecraftforge.installer.InstallerAction.run(InstallerAction.java:42)
at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:290)
at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:154)
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:40)