Buggy windows

[burnmeh]

 

Basically all my windows within the client look like this ^
Things will show up when the cursor is hovering over them but outside of that, it's unusable
Any help/suggestions would be much appreciated

[Skeletor]

got the exact same problem :\ rly annoying

[burnmeh]

I tried uninstalling java and then reinstalling java, to no avail  
lemme know if you figure it out at any point