I installed Leawo blu-ray player. It played the blu-ray disk fine. I have many video folders and the video files are numbered. I use the thumbnail preview (image of one of the first frames of the video) so I can tell what video it is. These videos are on my C: drive and E drive: (a 500 gig HD I'm using for video storage). I installed the blu ray player for windows 7. During the installation I left all the file associations checked and clicked ok. After the installation it played the blu-ray disc fine. I opened a video folder on my E drive and all the file thumbnails were replaced with the Leawo Blu-Ray icon or logo. This is no good. I uninstalled the player with Revo Uninstaller and scanned for remnants . I did a computer reboot and checked the video files. Thumbnails was missing from all video files including recorded tv files on both drives. each file showed the generic windows filmstrip and blue music note. I checked all the folder and file settings in windows explorer and they are correct. I cleaned and reset the thumbnail cache. Thumbnails are still missing for video files. I think the software mistakenly changed a value in the registry but I don't know where to look. Can you help me?