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Old 03-01-2020, 11:46 AM   #1
DragoLord19d
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Having trouble with Calibre not opening

I've tried all other options some I'm hoping someone here can help...

C:\Users\Dragolord19d>calibre-debug -g
calibre 4.11.2 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 30, 0) && DeDRM (6, 6, 3) && Package KFX (from KFX Input) (1, 30, 0) && EpubMerge (2, 9, 0) && KFX metadata reader (from KFX Input) (1, 30, 0) && KFX Input (1, 30, 0) && FanFicFare (3, 16, 0)
Turning on automatic hidpi scaling
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Old 03-01-2020, 12:06 PM   #2
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Quote:
Originally Posted by DragoLord19d View Post
I've tried all other options some I'm hoping someone here can help...

C:\Users\Dragolord19d>calibre-debug -g
calibre 4.11.2 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 30, 0) && DeDRM (6, 6, 3) && Package KFX (from KFX Input) (1, 30, 0) && EpubMerge (2, 9, 0) && KFX metadata reader (from KFX Input) (1, 30, 0) && KFX Input (1, 30, 0) && FanFicFare (3, 16, 0)
Turning on automatic hidpi scaling
Generally this indicates an issue with QT and the video driver. If you can't find an updated video driver, reverting to an earlier version of calibre or replacing the video card (if that is even possible) are pretty much the only options.

If you just updated to 4.11.2, what version were you previously on?
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Old 03-01-2020, 12:19 PM   #3
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Originally Posted by DNSB View Post
Generally this indicates an issue with QT and the video driver. If you can't find an updated video driver, reverting to an earlier version of calibre or replacing the video card (if that is even possible) are pretty much the only options.

If you just updated to 4.11.2, what version were you previously on?
4.10.1 I believe
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Old 03-01-2020, 05:21 PM   #4
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4.10.1 I believe
I would suggest reverting to that version then. Calibre updates often include updates to the QTWebEngine package and QT seems to be blacklisting graphics cards with enthusiasm.

You might want to take a look at the Editor shuts down automatically thread for some comments from the developers of calibre and Sigil on QT.
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Old 03-01-2020, 08:28 PM   #5
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There should be no Qt issues between 4.10 and 4.11. This will be because the window is opening offscreen, probably because you recently
connected a secondary monitor or tv or similar. You can bring the window back onscreen
by using the technique described here:
https://www.technipages.com/bring-of...ck-onto-screen
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Old 03-01-2020, 08:47 PM   #6
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Quote:
Originally Posted by DNSB View Post
I would suggest reverting to that version then. Calibre updates often include updates to the QTWebEngine package and QT seems to be blacklisting graphics cards with enthusiasm.

You might want to take a look at the Editor shuts down automatically thread for some comments from the developers of calibre and Sigil on QT.
I will try that.
Quote:
Originally Posted by kovidgoyal View Post
There should be no Qt issues between 4.10 and 4.11. This will be because the window is opening offscreen, probably because you recently
connected a secondary monitor or tv or similar. You can bring the window back onscreen
by using the technique described here:
https://www.technipages.com/bring-of...ck-onto-screen
Well I doubt that is the reason due to the fact that I haven’t connected one to my laptop.
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Old 03-01-2020, 09:50 PM   #7
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Quote:
Originally Posted by DNSB View Post
I would suggest reverting to that version then. Calibre updates often include updates to the QTWebEngine package and QT seems to be blacklisting graphics cards with enthusiasm.

You might want to take a look at the Editor shuts down automatically thread for some comments from the developers of calibre and Sigil on QT.
Doing so now.
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Old 03-01-2020, 11:32 PM   #8
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Quote:
Originally Posted by DragoLord19d View Post
Quote:
Originally Posted by kovidgoyal View Post
There should be no Qt issues between 4.10 and 4.11. This will be because the window is opening offscreen, probably because you recently
connected a secondary monitor or tv or similar. You can bring the window back onscreen
by using the technique described here:
https://www.technipages.com/bring-of...ck-onto-screen
Well I doubt that is the reason due to the fact that I haven’t connected one to my laptop.
"Missing' secondary monitor is but one trigger for the main calibre window not appearing. But in recent times there have several of instances of calibre windows 'going off screen'.

Until recently I would have said it was limited to secondary (dialogue) windows, but last week someone had the problem with the Viewer not appearing. The solution has been to use the 'Fix 3' option in the link Kovid provided. You should try it in this case -- if you haven't already done so.

BR

Last edited by BetterRed; 03-01-2020 at 11:35 PM.
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Old 03-02-2020, 08:03 AM   #9
DragoLord19d
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Quote:
Originally Posted by kovidgoyal View Post
There should be no Qt issues between 4.10 and 4.11. This will be because the window is opening offscreen, probably because you recently
connected a secondary monitor or tv or similar. You can bring the window back onscreen
by using the technique described here:
https://www.technipages.com/bring-of...ck-onto-screen
Quote:
Originally Posted by BetterRed View Post
"Missing' secondary monitor is but one trigger for the main calibre window not appearing. But in recent times there have several of instances of calibre windows 'going off screen'.

Until recently I would have said it was limited to secondary (dialogue) windows, but last week someone had the problem with the Viewer not appearing. The solution has been to use the 'Fix 3' option in the link Kovid provided. You should try it in this case -- if you haven't already done so.

BR
I have tried it, no joy.
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Old 03-02-2020, 08:44 AM   #10
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Any luck with reverting to an earlier version?

Have you tried running the viewer standalone?

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BR
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