I tried to open Calibre from an ebook, and it would not open. I tried several more, tried from the she shortcut on my desktop, tried from the start menu, and tried from the executable with no luck.
I uninstalled Calibre, and reinstalled with a fresh copy. I used Revo Uninstaller to remove the previous version so everything was removed. No luck.
I have no plug-ins and I turned off my anti-virus. Again, no luck.
Help!