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Windows 7 Ultimate 32bit
qbitorrent process cannot be stopped with taskkill or from taskmanager.

Also hangs Windows shutdown, after five mins of "Windows is shutting down"  I used the reset button.

All the jobs that were active downloads stalled, seeding jobs were unaffected.

re-installing 3.0.10 has removed the problems.

Checking after restarting 3.0.11 was not progressing, (a 21.2 GB was checking for about an hour and never passed 8.4%)  after downgrade the recheck ran normally,.same job rechecked to 59.9% in ~12mins

I actually just mentioned this problem in another thread.  I've experienced it on both .9 and .10, not yet on .11.  It's tied to "problem torrents" which trigger the stall and the process exit hang, two I've encountered thus far.  I was forced to download those particular torrents in another client.

Especially awful for me when I have to hard reset in response to this problem: all of my RAID drives must re-sync.  It's a day-killer productivity-wise.