Considering library net.minecraftforge:forge:1.12.2-14.23.3.2655: Not Downloading {Wrong Side}
Considering library net.minecraft:launchwrapper:1.12: Not Downloading {Wrong Side}
Considering library org.ow2.asm:asm-all:5.2
Considering library jline:jline:2.13: Not Downloading {Wrong Side}
Considering library com.typesafe.akka:akka-actor_2.11:2.3.3
Checking "C:\Users\Michael\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\Michael\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\Michael\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\Michael\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar" internal checksums
java.io.EOFException: Unexpected end of ZLIB input stream
	at java.util.zip.InflaterInputStream.fill(Unknown Source)
	at java.util.zip.InflaterInputStream.read(Unknown Source)
	at java.util.zip.ZipInputStream.read(Unknown Source)
	at java.util.jar.JarInputStream.read(Unknown Source)
	at java.io.FilterInputStream.read(Unknown Source)
	at net.minecraftforge.installer.DownloadUtils.readFully(DownloadUtils.java:435)
	at net.minecraftforge.installer.DownloadUtils.validateJar(DownloadUtils.java:276)
	at net.minecraftforge.installer.DownloadUtils.checksumValid(DownloadUtils.java:137)
	at net.minecraftforge.installer.DownloadUtils.downloadInstalledLibraries(DownloadUtils.java:53)
	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)
Downloading library org.scala-lang:scala-compiler:2.11.1
Unpacking packed file scala-compiler-2.11.1.jar.pack.xz
  Signed
  Checksum Length: 942120
  Total Length:    9183051
  Temp File:       C:\Users\Michael\AppData\Local\Temp\art2064182686944110395.pack