Boom! Out of nowhere, today Chrome 13.0.782.218 lost both extensions I had installed (actually 3 cause 1 was disabled but still installed). And it lost the under the hood settings, etc. Only thing I did was run CCleaner w/CCEnhancer, which I do plenty of times and no such loss occurs. What the heck happened? And what file should I backup in case I need to restore Chrome settings in the future? Weird.