MobileRead Forums - View Single Post - Installation Problem on all 8.x downloads

thehoocherdog · 07-06-2011, 07:28 AM

Trying to install Calibre 0.8.8, I get the message "The installation package could not be opened. Verify . . . . contact the application vendor to verify that it is a valid Windows Installer Package."

I uninstalled Calibre and tried to install, and get the same message.

The same is true of 0.8.6 and 0.8.3.

The same message is also received on my desktop, which still has

I did install Calibre 8.8 on a laptop that belongs to our computer club yesterday.

Any ideas?

Thanks, Bob AKA Thehoocherdog

07-06-2011, 07:28 AM	#1
thehoocherdog Junior Member Posts: 2 Karma: 10 Join Date: Aug 2010 Device: Pc Readers	Installation Problem on all 8.x downloads Trying to install Calibre 0.8.8, I get the message "The installation package could not be opened. Verify . . . . contact the application vendor to verify that it is a valid Windows Installer Package." I uninstalled Calibre and tried to install, and get the same message. The same is true of 0.8.6 and 0.8.3. The same message is also received on my desktop, which still has I did install Calibre 8.8 on a laptop that belongs to our computer club yesterday. Any ideas? Thanks, Bob AKA Thehoocherdog Last edited by thehoocherdog; 07-06-2011 at 07:30 AM. Reason: ooops . . . after the message, the install started