I also posted this bug 397192, but it seems to fit here better.
It seems to me this is a problem that occurs when a file is moved. I've
had the same issues with pdf, tga, etc.. All thumbnails will load fine
if you move the file back to the original location. The problem tends to
happen occasionall
It seems to me this is a problem that occurs when a file is moved. I've
had the same issues with pdf, tga, etc.. All thumbnails will load fine
if you move the file back to the original location. The problem tends to
happen occasionally if you drag the file to the new location. Using
cut and pas
You can always uncheck EDIT/PREFERENCES/MUSIC(tab) / "watch my library
for new files" for a quick workaround. It stops the "searching of
codecs". Of course if you add new music you will need to recheck it
once , but then turn it back off. At least it stops the searching for
codecs every time...
