I use thumb flash drives quite a lot moving between computers. It is still much faster to load a gig or two from the flash drive than to use Skydrive or other "cloud" alternative. For the most part it is painless - stick it in and OS will find and mount it, no setup requires. But one day perfectly good USB drive stopped working all of the sudden on one specific computer. It works fine on the others and other USBs work fine on that computer too. What's going on? More...