> 1-Can't delete files (in preferences With delete, move, ect marked !) I can delete a file that i made with Thumbsplus 10.
Sounds like your user account in Windows doesn't have sufficient access rights to those files. Is it true that you cannot delete them through Explorer either?
> 2-can't play videos (Video window opens and buttons work but no program) Note:Audio mp3's play.
ThumbsPlus requires the presence of codecs for the compression formats used in your movie files. Most people use the [link=https://www.codecguide.com/download_kl.htm]K-Lite Codec Pack[/link] which contains codecs for most common video formats.