Thread: Calibre ebook viewer not opening
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Old 06-14-2022, 12:27 PM   #4
alansplace
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Calibre ebook viewer not opening
Quote:
Originally Posted by Inman View Post
I recently updated to Calibre 4.19 on my Windows 8 laptop, after using an old version for over a year. Now the problem is whenever I try to open the ebook viewer inside Calibre, it appears for a second and then closes automatically. Not just while opening books, even if I simply launch the ebook viewer directly from start menu, the same thing happens.

I tried running Calibre in debug mode but it seems to have entries about Calibre management app only, not the viewer. I updated to 4.20 as well just now but same issue. Any idea how to fix this?
Quote:
Originally Posted by kovidgoyal View Post
It will be an incompatibility with your graphics card/drivers. try updating your drivers and if that does not work, turn off hardware rendering as described here: https://doc.qt.io/qt-5/qtwebengine-debugging.html
In Calibre 5.43 when I use the view button, the icon appears on my Windows 11 toolbar but no window opens. When I hover over the icon that appeared on my toolbar it shows an empty mini-window above it with the name of the ebook I was attempting to open. When I click on this empty mini-window it dissapears but nothing appears in the screen. When I go to that very same ebook file with file explorer and right-click it and choose open with the calibre viewer it opens normally.

Any ideas to fix this problem?
Last edited by alansplace; 06-14-2022 at 12:39 PM. Reason: add a little
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