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jukin · 07-28-2015, 06:21 PM

I did a search here and find people having a problem with Calibre freezing on them. I do not have this problem. My problem is that Calibre has become very unresponsive...very slow. It loads fine and sits there running but when I switch to it and click add books, often the screen goes white for about 30 seconds and then Calibre displays again. Adding a book results in the add book UI hanging for anything up to 40 seconds before the progress bar starts moving. When the progress bar completes, the download UI remains on top for about another 20 seconds before finishing.

Like I say, Calibre loads fine but it seems that if it's not accessed much during a session then it becomes very slow.

Polishing or converting work fine so I'm thinking it's some kind of issues between Calibre and its library.

I'm on Windows 8.1 64Bit, running Calibre vers 3.33 but as I have had this problem for a few weeks I'm going to try going back to v3.28 before rooting around in the system.

BTW I have 124GB free on my hard disk so it's not a space issue.

07-28-2015, 06:21 PM	#1
jukin Connoisseur Posts: 81 Karma: 12 Join Date: Nov 2010 Location: New Philadelphia, PA Device: iPad Air 2, Kindle Fire HD 10	Calibre had become very slow I did a search here and find people having a problem with Calibre freezing on them. I do not have this problem. My problem is that Calibre has become very unresponsive...very slow. It loads fine and sits there running but when I switch to it and click add books, often the screen goes white for about 30 seconds and then Calibre displays again. Adding a book results in the add book UI hanging for anything up to 40 seconds before the progress bar starts moving. When the progress bar completes, the download UI remains on top for about another 20 seconds before finishing. Like I say, Calibre loads fine but it seems that if it's not accessed much during a session then it becomes very slow. Polishing or converting work fine so I'm thinking it's some kind of issues between Calibre and its library. I'm on Windows 8.1 64Bit, running Calibre vers 3.33 but as I have had this problem for a few weeks I'm going to try going back to v3.28 before rooting around in the system. BTW I have 124GB free on my hard disk so it's not a space issue. Last edited by jukin; 07-28-2015 at 06:24 PM.