Install problem
Trying to upgrade Calibre to calibre-64bit-5.21.0
Downloads, installs, reboot but it won't run.
Runs 3.42 when I start it from desktop link
Says 3.42 in lower left of window and update found 5.2.1 in lower right
System W10
there are two Calibre's installed - one in Program Files (X86)
and one in Program Files
the one on Program Files won't run
What should I do?
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