Majority of my thumbnails are not loading and instead show the generic landscape. Tried deleting the thumbnail cache but that did not fix it. It is now trying to reload the folder thumbnails but the reload never completes (possibly out of room in memory?). I have tried all the options to turn on view thumbnails but that doesn't fix the problem either, as well as changing it in System settings. I recently added some software Movie Maker 6 and some freeware to convert files to different formats which may have had some effect on this problem, but I need the software to complete a small video. This is made much more difficult not being able to see the previews! Help, am at the end of my rope. 64 bit machine converted from Vista 64.