I cannot replicate this. I'm guessing that this is caused by some third party plugin, the most likely candidate is the ViewManager plugin.
Run calibre from the command line as
calibre --ignore-plugins
and see if that stops the problem.
I cannot replicate this. I'm guessing that this is caused by some third party plugin, the most likely candidate is the ViewManager plugin.
Run calibre from the command line as
calibre --ignore-plugins
and see if that stops the problem.