Quote:
Originally Posted by jm91744
Just downloaded Calibre from CNET. Got error message saying "installation package could not be open, contact application vendor to verify this is a valid Windows installer package". Downloaded twice same message.
Any ideas -please?
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Yes!
1) Download from the official Calibre site (the Word Calibre in the Top level Calibre)
forum description is the link. All other sites tend to be outdated.
2)don't use a download manager.
3) disable your anti-virus for the download
from official site only