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bobzchemist · 11-09-2009, 08:08 PM

Trying to install latest version on Dell Inspiron 1525 running Vista Home Premium. Downloaded files from Calibre website and also from SourceForge. Both failed to install with the following error message:
WINDOWS INSTALLER: - This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.

Now what?

11-09-2009, 08:08 PM	#1
bobzchemist Junior Member Posts: 1 Karma: 10 Join Date: Nov 2009 Device: prs-505	Vista install fails Trying to install latest version on Dell Inspiron 1525 running Vista Home Premium. Downloaded files from Calibre website and also from SourceForge. Both failed to install with the following error message: WINDOWS INSTALLER: - This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package. Now what?