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Old 06-05-2015, 04:52 AM   #1
HarryT
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Join Date: Nov 2006
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Calibre locks entire machine for 1-2 mins on first startup

32-bit Calibre 2.27 running on 64-bit Windows 7:

When I start Calibre for the first time after booting my PC in the morning, my entire PC completely "locks" for 1-2 minutes. When I say "locks" I mean that the entire Windows desktop becomes completely unresponsive, with no response to mouse clicks. Sometimes even the mouse stops moving. After 1-2 mins, everything springs back into life, and then about 20s later, the Calibre splashscreen and window appears.

After starting Calibre once, I can exit it, and subsequently restart it instantly. The issue is only occurring on the initial startup.

I guess this is due to the startup of the Qt framework that Calibre uses. I've added "calibre.exe" to the list of exclusions in my virus scanner, but that's made no difference whatsoever.

Can anything be done about this? It's certainly not a show-stopper, but it is mildly annoying. Any suggestions would be gratefully received.

Thanks,
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