Quote:
Originally Posted by BetterRed
Crikey! What type of CPU are you running!
Perhaps you could install (if necessary) something like Piriforms Speccy and post a screen shot of what it displays for the CPU. IIRC lack of support for the SS3 instruction set was the Qt5 'gotcha'.
BR
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SSE2 was the gotcha. Any Intel CPU produced after 2001 (or AMD after 2003) should be capable of it -- and SSE2 is a requirement to install Windows 8.
(And technically, SSE2 is just commonly missing on WinXP, but Qt5 doesn't support XP for other reasons too. In fact, you can custom-build Qt5 without SSE2 although it runs slower.)
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@
baggins41,
As the master said, this problem usually indicates an overzealous antivirus. But I suppose a more definite way to find out would be to run calibre in debug mode. On the command line, type:
Then try to open a book in the viewer/editor.
Hopefully a useful error message will show up.