arjay

I ran into a similar issue 3 times - I was happily downloading/installing mods, then suddenly MO would crash and if I tried to run it again it froze on the start screen. I usually managed to fix it by deleting the contents of my mods/downloads folders and starting over, which was extremely frustrating. It just happened again, and I deleted my categories.dat file, and it works! Thanks HaloGrunt!