I've been trying to rename my Sims 3 folder and then relaunch the game for it to recreate a new one to try to work out some bugs I have. I am unable to rename it or move it. I get a box that say...
Okay, I just cut and then set it to paste into another drive. It seems to be moving it at the moment, but it's a big file over 9 gigs so I'll respond back if it worked. Fingers crossed! :)