Bluedragon5999

go to the time stamp 5:00

just install a java vesion thats higher than java 16

fixed it with the help of this dude time stamp 5:05 apparently you need a java version 16 or higher to install forge (didn't know that)

can i get the certificate pls

@Luis_ST pls reply

if you could give me the .cer file i could try to add it into the cacerts

i tried fabric and optifine they run great forge is the only thing that dosen't run

yes

it was not i went to programs and features found java 8 update 311 clicked uninstall then downloaded jre-8u311-windows-x64.exe retried forge still the same massage then i completely wiped the .minecraft folder then uninstalled minecraft launcher reinstalled minecraft launcher then retried forge still this :- Failed to run processor: javax.net.ssl.SSLHandshakeException:sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target See log for more details.

do you know how to fix it

JVM info: Oracle Corporation - 1.8.0_311 - 25.311-b11 java.net.preferIPv4Stack=true Found java version 1.8.0_311 Extracting json Considering minecraft client jar Downloading libraries Found 0 additional library directories Considering library cpw.mods:securejarhandler:0.9.54 File exists: Checksum validated. Considering library org.ow2.asm:asm:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-commons:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-tree:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-util:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-analysis:9.1 File exists: Checksum validated. Considering library net.minecraftforge:accesstransformers:8.0.4 File exists: Checksum validated. Considering library org.antlr:antlr4-runtime:4.9.1 File exists: Checksum validated. Considering library net.minecraftforge:eventbus:5.0.3 File exists: Checksum validated. Considering library net.minecraftforge:forgespi:4.0.10 File exists: Checksum validated. Considering library net.minecraftforge:coremods:5.0.1 File exists: Checksum validated. Considering library cpw.mods:modlauncher:9.0.7 File exists: Checksum validated. Considering library net.minecraftforge:unsafe:0.2.0 File exists: Checksum validated. Considering library com.electronwill.night-config:core:3.6.4 File exists: Checksum validated. Considering library com.electronwill.night-config:toml:3.6.4 File exists: Checksum validated. Considering library org.apache.maven:maven-artifact:3.6.3 File exists: Checksum validated. Considering library org.apache.commons:commons-lang3:3.12.0 File exists: Checksum validated. Considering library net.jodah:typetools:0.8.3 File exists: Checksum validated. Considering library org.apache.logging.log4j:log4j-api:2.14.1 File exists: Checksum validated. Considering library org.apache.logging.log4j:log4j-core:2.14.1 File exists: Checksum validated. Considering library net.minecrell:terminalconsoleappender:1.2.0 File exists: Checksum validated. Considering library org.jline:jline-reader:3.12.1 File exists: Checksum validated. Considering library org.jline:jline-terminal:3.12.1 File exists: Checksum validated. Considering library net.sf.jopt-simple:jopt-simple:5.0.4 File exists: Checksum validated. Considering library org.spongepowered:mixin:0.8.5 File exists: Checksum validated. Considering library org.openjdk.nashorn:nashorn-core:15.3 File exists: Checksum validated. Considering library com.google.guava:guava:31.0.1-jre File exists: Checksum validated. Considering library com.google.code.gson:gson:2.8.8 File exists: Checksum validated. Considering library cpw.mods:bootstraplauncher:0.1.17 File exists: Checksum validated. Considering library net.minecraftforge:fmlloader:1.18-38.0.15 File exists: Checksum validated. Considering library com.github.jponge:lzma-java:1.3 File exists: Checksum validated. Considering library com.google.code.findbugs:jsr305:3.0.2 File exists: Checksum validated. Considering library com.google.code.gson:gson:2.8.7 File exists: Checksum validated. Considering library com.google.errorprone:error_prone_annotations:2.1.3 File exists: Checksum validated. Considering library com.google.guava:guava:20.0 File exists: Checksum validated. Considering library com.google.guava:guava:25.1-jre File exists: Checksum validated. Considering library com.google.j2objc:j2objc-annotations:1.1 File exists: Checksum validated. Considering library com.nothome:javaxdelta:2.0.1 File exists: Checksum validated. Considering library com.opencsv:opencsv:4.4 File exists: Checksum validated. Considering library commons-beanutils:commons-beanutils:1.9.3 File exists: Checksum validated. Considering library commons-collections:commons-collections:3.2.2 File exists: Checksum validated. Considering library commons-io:commons-io:2.4 File exists: Checksum validated. Considering library commons-logging:commons-logging:1.2 File exists: Checksum validated. Considering library de.oceanlabs.mcp:mcp_config:1.18-20211130.085255@zip File exists: Checksum validated. Considering library de.siegmar:fastcsv:2.0.0 File exists: Checksum validated. Considering library net.md-5:SpecialSource:1.10.0 File exists: Checksum validated. Considering library net.minecraftforge:ForgeAutoRenamingTool:0.1.17:all File exists: Checksum validated. Considering library net.minecraftforge:binarypatcher:1.0.12 File exists: Checksum validated. Considering library net.minecraftforge:fmlcore:1.18-38.0.15 File exists: Checksum validated. Considering library net.minecraftforge:fmlloader:1.18-38.0.15 File exists: Checksum validated. Considering library net.minecraftforge:forge:1.18-38.0.15:universal File exists: Checksum validated. Considering library net.minecraftforge:installertools:1.2.10 File exists: Checksum validated. Considering library net.minecraftforge:jarsplitter:1.1.4 File exists: Checksum validated. Considering library net.minecraftforge:javafmllanguage:1.18-38.0.15 File exists: Checksum validated. Considering library net.minecraftforge:mclanguage:1.18-38.0.15 File exists: Checksum validated. Considering library net.minecraftforge:srgutils:0.4.3 File exists: Checksum validated. Considering library net.minecraftforge:srgutils:0.4.7 File exists: Checksum validated. Considering library net.sf.jopt-simple:jopt-simple:5.0.4 File exists: Checksum validated. Considering library net.sf.jopt-simple:jopt-simple:6.0-alpha-3 File exists: Checksum validated. Considering library org.apache.commons:commons-collections4:4.2 File exists: Checksum validated. Considering library org.apache.commons:commons-lang3:3.8.1 File exists: Checksum validated. Considering library org.apache.commons:commons-text:1.3 File exists: Checksum validated. Considering library org.checkerframework:checker-qual:2.0.0 File exists: Checksum validated. Considering library org.codehaus.mojo:animal-sniffer-annotations:1.14 File exists: Checksum validated. Considering library org.ow2.asm:asm-analysis:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-analysis:9.2 File exists: Checksum validated. Considering library org.ow2.asm:asm-commons:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-commons:9.2 File exists: Checksum validated. Considering library org.ow2.asm:asm-tree:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm-tree:9.2 File exists: Checksum validated. Considering library org.ow2.asm:asm:9.1 File exists: Checksum validated. Considering library org.ow2.asm:asm:9.2 File exists: Checksum validated. Considering library trove:trove:1.0.2 File exists: Checksum validated. Created Temporary Directory: C:\Users\ACER\AppData\Local\Temp\forge_installer700304410901520145 Extracting: /data/client.lzma Building Processors =============================================================================== MainClass: net.minecraftforge.installertools.ConsoleTool Classpath: C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraftforge\installertools\1.2.10\installertools-1.2.10.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\md-5\SpecialSource\1.10.0\SpecialSource-1.10.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\5.0.4\jopt-simple-5.0.4.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.8.7\gson-2.8.7.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\siegmar\fastcsv\2.0.0\fastcsv-2.0.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraftforge\srgutils\0.4.3\srgutils-0.4.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-commons\9.1\asm-commons-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\20.0\guava-20.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\opencsv\opencsv\4.4\opencsv-4.4.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-analysis\9.1\asm-analysis-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-tree\9.1\asm-tree-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm\9.1\asm-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-text\1.3\commons-text-1.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.8.1\commons-lang3-3.8.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-beanutils\commons-beanutils\1.9.3\commons-beanutils-1.9.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-collections4\4.2\commons-collections4-4.2.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-logging\commons-logging\1.2\commons-logging-1.2.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-collections\commons-collections\3.2.2\commons-collections-3.2.2.jar Args: --task, MCP_DATA, --input, C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\oceanlabs\mcp\mcp_config\1.18-20211130.085255\mcp_config-1.18-20211130.085255.zip, --output, C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\oceanlabs\mcp\mcp_config\1.18-20211130.085255\mcp_config-1.18-20211130.085255-mappings.txt, --key, mappings Task: MCP_DATA Input: C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\oceanlabs\mcp\mcp_config\1.18-20211130.085255\mcp_config-1.18-20211130.085255.zip Output: C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\oceanlabs\mcp\mcp_config\1.18-20211130.085255\mcp_config-1.18-20211130.085255-mappings.txt Key: mappings Extracting: config/joined.tsrg =============================================================================== MainClass: net.minecraftforge.installertools.ConsoleTool Classpath: C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraftforge\installertools\1.2.10\installertools-1.2.10.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\md-5\SpecialSource\1.10.0\SpecialSource-1.10.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\5.0.4\jopt-simple-5.0.4.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.8.7\gson-2.8.7.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\de\siegmar\fastcsv\2.0.0\fastcsv-2.0.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraftforge\srgutils\0.4.3\srgutils-0.4.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-commons\9.1\asm-commons-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\20.0\guava-20.0.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\com\opencsv\opencsv\4.4\opencsv-4.4.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-analysis\9.1\asm-analysis-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-tree\9.1\asm-tree-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm\9.1\asm-9.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-text\1.3\commons-text-1.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.8.1\commons-lang3-3.8.1.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-beanutils\commons-beanutils\1.9.3\commons-beanutils-1.9.3.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-collections4\4.2\commons-collections4-4.2.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-logging\commons-logging\1.2\commons-logging-1.2.jar C:\Users\ACER\AppData\Roaming\.minecraft\libraries\commons-collections\commons-collections\3.2.2\commons-collections-3.2.2.jar Args: --task, DOWNLOAD_MOJMAPS, --version, 1.18, --side, client, --output, C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraft\client\1.18-20211130.085255\client-1.18-20211130.085255-mappings.txt Task: DOWNLOAD_MOJMAPS MC Version: 1.18 Side: client Output: C:\Users\ACER\AppData\Roaming\.minecraft\libraries\net\minecraft\client\1.18-20211130.085255\client-1.18-20211130.085255-mappings.txt javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.ssl.Alert.createSSLException(Unknown Source) at sun.security.ssl.TransportContext.fatal(Unknown Source) at sun.security.ssl.TransportContext.fatal(Unknown Source) at sun.security.ssl.TransportContext.fatal(Unknown Source) at sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(Unknown Source) at sun.security.ssl.CertificateMessage$T12CertificateConsumer.onCertificate(Unknown Source) at sun.security.ssl.CertificateMessage$T12CertificateConsumer.consume(Unknown Source) at sun.security.ssl.SSLHandshake.consume(Unknown Source) at sun.security.ssl.HandshakeContext.dispatch(Unknown Source) at sun.security.ssl.HandshakeContext.dispatch(Unknown Source) at sun.security.ssl.TransportContext.dispatch(Unknown Source) at sun.security.ssl.SSLTransport.decode(Unknown Source) at sun.security.ssl.SSLSocketImpl.decode(Unknown Source) at sun.security.ssl.SSLSocketImpl.readHandshakeRecord(Unknown Source) at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source) at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source) at sun.net.www.protocol.https.HttpsClient.afterConnect(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 java.net.URL.openStream(Unknown Source) at net.minecraftforge.installertools.DownloadMojmaps.process(DownloadMojmaps.java:65) at net.minecraftforge.installertools.ConsoleTool.main(ConsoleTool.java:55) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraftforge.installer.actions.PostProcessors.process(PostProcessors.java:226) at net.minecraftforge.installer.actions.ClientInstall.run(ClientInstall.java:144) at net.minecraftforge.installer.InstallerPanel.run(InstallerPanel.java:423) at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:175) at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:147) Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.validator.PKIXValidator.doBuild(Unknown Source) at sun.security.validator.PKIXValidator.engineValidate(Unknown Source) at sun.security.validator.Validator.validate(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source) ... 29 more Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source) at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source) at java.security.cert.CertPathBuilder.build(Unknown Source) ... 35 more Failed to run processor: javax.net.ssl.SSLHandshakeException:sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target See log for more details. see

@Oussama the same thing

@Luis_ST yes i did

why is this not woking

didn't work still the same error

my forge 1.18 installer keeps giving me this error massage Failed to run processor: javax.net.ssl.SSLHandshakeException:PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target See log for more details.