==========================
Maybe the following article will offer some ideas:
(326675) "No Preview Available" and "File
Format Is Not Supported" Error Messages
Occur When You Try to View Graphic Files http://support.microsoft.com/?kbid=326675
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.