lhaymehr Posted August 5, 2009 Report Share Posted August 5, 2009 Hello.I'm running XPSP3, always up to date with latest patches (freshly installed thanks to this bug I'm describing). The CPU is Athlon 5200 X2, DEP is disabled.This is an issue with partially downloaded files which can result in total system crash so bad that the system becomes unusable. Read on.First issue I noticed is when I try to run a partially downloaded video from the uTorrent Files tab, the video that would play was not the video being downloaded but some other video file that was previously downloaded with uTorrent but was manually moved to a different directory after the download. Now I know that moving files does not actually physically move the files on the disk (depending on the move method used) but only actually updates the FileSystem bitmap. This is probably the reason this happens.But it's a different story with executables.I recently accidentally tried to run a partially downloaded executable file via the uTorrent's Files tab and a crash so bad occurred that the system was unusable after the reboot. When i ran the partial exe, first all the apps started popping up AVs with "random" memory addresses, starting with uTorrent, then the system crashed with a BSOD stating that "A SERIOUS ERROR HAS OCCURRED. THE SYSTEM HAS BEEN SHUT DOWN".After the reboot the system was completely broken. Strange GDI paining artifacts (no screen repaints on random areas, leftover shadows, etc), no networking, insane lags on file execution, basically the issues were so diverse and broad that It spread probably across all Windows' subsystems.I'm now suspecting that it was an issue with WinSxS folders and filesystem bitmap which was damaged in this event which is why all these issues appeared but the system was still able to boot.So basically what I'm suggesting is that you dissalow the execution of partially downloaded executable files via uTorrent. I know this is most likely not an uTorrent issue but as I described not protecting them while they are downloaded can lead to some very very strange and serious crashes that can completely destroy your Windows install.I hope you look into this,cheers Link to comment Share on other sites More sharing options...
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