Originally Posted by goldilocks
I hope I don't sound too stupid...but is "imagemagick" part of the OS or is it something Calibre installs? Could the OP have corrupted dll files (not the jpeg files themselves)? Maybe a virus scan should be done...
imagemagick is one of the many open source modules installed used by calibre. (other open source programs may also be using a version. Since the main program must connect to an exact release of this tool, it is installed as a part of Calibre)
If any cover manipulation passes
, the module is probably
Anti-Virus programs silently 'repairing'
files is more of a problem. IMHO make your A/V ask you every time. that way you know
that it did something (besides just wave a big banner "I saved you'