Whenever I try to run the minecraft.jar in my.minecraft folder I get the message:
"Error: Invalid or corrupt jarfile
C:\Users\COMP\AppData\Roaming\.minecraft\minecraft.jar"
As a result, I can't use any other shortcut to play the game. I've tried everything I can think of… Deleting the.minecraft folder, system restore, finding backups of all of my files on my harddrive before I had this issue, but nothing is working.
I believe this happened because in an attempt to update my java, I simply deleted the Java folder from my Program Files. But, even having replaced the files with my backups, Minecraft refuses to work. If I delete the files, it does not reinstall itself or make new files, it simply keeps giving me the same error message.
I'm working on Windows 8.1, 8gb ram, HP Envy 6.