well 8.8 will have removed 8.7, 8.9 removes 8.8 etc. I've done at least 3 updates since 8.7
so why does it expect to find 8.7, not 8.8, 8.9 or 8.10 all of which were installed after 8.7 ?
is it finding "something" that makes it think 8.7 is installed. I'd have said registry key but I understand that calibre does not use registry keys ?
was there a switchover from .exe to msi a few versions ago, could that be relevant ?
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