Quote:
Originally Posted by KevinH
Hi bmhhtyf,
Have you tried running calibre in debug mode to see if it will tell you something about what is going on? Do you have a screen capture or backtrace that might provide a clue?
KevinH
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Yes, I've tried. But nothing found. Everything worked well. I've reinstalled calibre several times, but it didn't work. Howerver, I found AutoCAD 2014 installed on my computer using QT as well, and registry reported some problems. Maybe these two software have collisions.