Hi, 
 
	 
 
	used Minecraft 1.16.1 and forge-1.16.1-32.0.7-installer.jar on Ubuntu 20.04.
 
	Tried different openjdk versions from 8-14, none worked.
 
	Minecraft was running once, stopped via console, this was a fresh install.
 
	 
 
	My install command : java -jar forge-1.16.1-32.0.7-installer.jar --installServer
 
	 
 
	the part where it fails : 
 
	 
 
	 Data  io/netty/internal/ 
	  Processor failed, invalid outputs: 
	    /home/regnator/mc/./libraries/net/minecraft/server/1.16.1/server-1.16.1-slim.jar 
	      Expected: 6cbe49c4d26497791d1d511c2d3b7d1fa46fa2e9 
	      Actual:   3f1b64c684df16a25e6c44079b06ac12131db572 
	    /home/regnator/mc/./libraries/net/minecraft/server/1.16.1/server-1.16.1-extra.jar 
	      Expected: 79ed2a48582a58ce917a04344c35c9c9abb557e2 
	      Actual:   501b61ed1857f6452fe36a5faaf1265d38999c6f
 
	 
 
	full logs : https://privatebin.net/?29f4d24ddf99dcf7#4ykHNhbSaNdwNfu2HEzyrUgUp9dw4527zrCXdqx43d1r
 
	 
 
	EDIT: Still fails with forge-1.16.1-32.0.14-installer