I just installed PHP 4.2.3 this morning on my Windows box, and Gallery seems to be more stable with the new version. I've aleays seen problems with moving images (some get corrupted) under Windows, and after LIMITED testing (moving ~250 images), I don't see the error any more.
The problem seemed to come from fs_win32, and according to the PHP changelog,
Quote:
- Fixed several problems with directory functions on Windows. (Steph)