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Old 06-19-2017, 08:51 AM   #7
ZedPM
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ZedPM began at the beginning.
 
Posts: 2
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Join Date: Jan 2012
Device: Kindle
Kovid, ran the installer for 3.0.0 on Win 10 and it could not uninstall the old version. then I got Error Code 126 when trying to open Calibre. I could manually unload the latest version but not the earlier version - it can't find calibre-0.8.36.msi. I renamed the calibre2 folder and ran the 3.0.0 installer again successfully.

So how can I uninistall the old version to avoid this problem in the future?
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