Windows ME "My Pics"

After istalling Norton Systemworks and Anti-Virus and Norton Firewall I have lost the little thumbnails of my photos that used to pop up in "My Pics" folder, even though "thumbnails" is selected. Norton may not be the culprit but my system was very stable before, now it displays various error messages very now and again, which usually correct themselves on start-up. Please help.
Gov.

  Jester2K II 20:48 23 Aug 03

What are the "displays various error messages very now and again"

Bit difficult to diagnose without them.

EXACT wording please.

"Various error messages every now and again" are different each time, and since they appear to cure themselves I haven't made a note of them. Is the thumbnail problem something to do with a missing association in the registry?
Gov.

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