
I'm using Windows XP SP3 and Windows 7 on my PCs and I'm having issues viewing any thumbnails for QuickTime in Windows Explorer. I don't like to use QuickTime player and view each file one by one or use ZoomBrowser to simply organize my movies.
Thankfully someone already made a solution.
1. Download QuickThumb.dll from http://www.ocf.berkeley.edu/~mbarrien/projects/.
2. Save it to your C:\Windows\System32 folder.
3. Click Start -> Run then enter "regsvr32 QuickThumb.dll". Once it successfully registers, you can see thumbnails in your folder. Just refresh.
Hope that helps!