i'm not sure how to get to the installer log.
is this it?
Considering library net.sf.trove4j:trove4j:3.0.3
Considering library org.apache.maven:maven-artifact:3.5.3
Downloading library org.apache.maven:maven-artifact:3.5.3
java.net.SocketException: Address family not supported by protocol family: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
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.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.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.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.http.HttpURLConnection.connect(Unknown Source)
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: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 org.apache.maven:maven-artifact:3.5.3
java.net.SocketException: Address family not supported by protocol family: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
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.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.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.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.http.HttpURLConnection.connect(Unknown Source)
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/apache/maven/maven-artifact/3.5.3/maven-artifact-3.5.3.jar