AdminCP a blank white screen
 

I'm not even sure what I did but I've had this issue for over a month now. Luckily my site isn't out of production, but I've tried a variety of things to fix it:

-cleared cookies/cache
-used a different browser
-used an entirely different computer on an entirely different network

My site itself is fine. I'm all logged in as the admin... I click the link and... nothing there. =|

Short of reinstalling, any ideas?

Usually white screen means a php syntax error, did you change any file?

The only changes I made were the ones we did together to make the bar with the time/number of messages/etc. And even restoring that file to its original state made no difference.