i dont think this problem is fully solved yet.
yes we have collectively whittled down the freeze from minutes to seconds, but I still see an oaccasional total freeze i.e. cannot move mouse, when calibre in launching for the first time after a reboot.
No other program freezes my controls like that and in my case it is for 5 -10 secs when it happens.
Possibly it is because my wireless mouse uses the logitech unifying receiver which is a USB device, so if calibre is scanning that for some weird reason, in case it might have morphed into an e-reader... ?
is anyone else experiencing occasional short freezes, despite all the "fixes" in this thread ?
NB it is not on every launch; as a test I just exited calibre completely and relaunched it while continuing to type here, with no interference - but an hour ago, after a reboot, I manually launched calibre , many minutes after the reboot, and had the mouse lock up for several seconds before any calibre window appeared. No other active processes at the time.
I have no idea where to look or what to check to get into why this happens. I already have calibre's program files folder as an excluded folder in malwarebytes
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