@Richard Choi C:\UnZip32.exe -l utorrent.zip Archive: utorrent.zip Length Date Time Name -------- ---- ---- ---- 132667 07-05-03 14:18 1625-utorrent.e2b2.dmp -------- ------- 132667 1 file Seems there's an extension I was told by Greg Hazel, this dump is unusable because it's created by upxed executable. I've sent him a new dump created by uncompressed executable. Seems these crashes are influenced somehow by NOD32's IMON, as stopping it helps. Strange because utorrent is added to IMON's ignore list... And it never ever happened with previous versions (well, last "stable" is 1355)