08-26-2014, 12:20 PM
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#1 |
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Junior Member
 Posts: 7
Karma: 10
Join Date: Aug 2012
Device: Kindle
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Invalid key error during Calibre installation
Hi,
I was trying to upgrade my 1.45 install of Calibre to 2.0 64-bits on my Windows 8.1 PC, but I kept getting this error message from the installer:  This would translate to "Key not valid for use in specified state". I've tried uninstalling Calibre 1.45, running a registry clean-up, but now, not only can I still not install Calibre 2.0, I also can't install Calibre 1.45. The problem occurs either with the 32 or 64 bits versions. Can anybody help? Thanks! R. |
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08-26-2014, 12:27 PM
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#2 |
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Junior Member
Posts: 7
Karma: 10
Join Date: Aug 2012
Device: Kindle
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I just found the solution, so I'll post it for anyone who runs into the same issue.
Locate the Crypto folder in the Application Data folder: Windows Vista/7/8 %USERPROFILE%\AppData\Roaming\Microsoft Windows XP %USERPROFILE%\Application Data\Microsoft Rename it to Cypto.old Try again. |
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08-26-2014, 12:43 PM
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#3 |
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creator of calibre
 
Posts: 45,607
Karma: 28548974
Join Date: Oct 2006
Location: Mumbai, India
Device: Various
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Thanks, good to know.
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