Can not add new books to calibre libs
Hello,
I use Calibre 3.41.3
As of today I am suddenly unable to add new books to my callibre libraries.
I have tried two different libraries.
I have tried all known methods: drag and drop, create empty epub file from within Calibre, add files from directory etc.
Whatever I do Calibre freezes and I need to use task manager to shut down calibre.
Does anybody have an idea what could be going on?
I have had the drag and drop problem before when I made calibre run as administrator. When I run calibre as administrator the drag an drop doesn't work anymore.
But that is not what is going on now. I can not add any new book to any library with any known method. Calibre just freezes.
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