Thread: Portable reader works, main reader doesn't.
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Old 07-19-2020, 10:24 AM   #4
ownedbycats
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Join Date: Oct 2018
Location: Canada
Device: Kobo Libra H2O, formerly Aura HD
Quote:
Originally Posted by Lung Bing View Post
I added the environment variable as suggested to stop hardware acceleration. Windows 10 did find a later graphics driver for me. All to no effect. I uninstalled Calibre and portable Calibre and deleted every file on my PC with the word 'Calibre' in it and every entry in the registry with the word Calibre in it and reinstalled the latest Calibre. Same problem. So in the end I uninstalled Calibre 4 and installed Calibre portable 3.48 which works fine and does what I want.

Thanks for your help though.
In the future, Geek Uninstaller can often get rid of all of that for you.
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