Hi,
I was having issues with arcmap and opening mxd files. This is what I got. The mxd wasnt the problem because I was able to open on another machine.
So I decided to update to 10.2.2. Tried to open the same file and no luck. Then I tried creating a new mxd file, and this time the add data button was grayed out. So I decided to repair the software and do the same operations again and it didnt work.
Then I tried to uninstall 10.2.2 and reinstall it again. This time I got the following error. I havent seen this error before.