Quote:
Originally Posted by kovidgoyal
There are zero differences between portable and desktop versions when it comes to scanning filesystems, they both use the same underlying OS APIs. If you are noticing a difference, then it is because something on your system is interfering with the 64bit application but not the 32bit one. Try turning off your A/V which is the most liekly culprit for this kind of thing.
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I don't use third-party A/V. Windows Defender is entirely adequate. (And if it was A/V getting in the way, I'd expect that to bite the portable version of Calibre too. For that matter, I'd expect A/V to throw up a screen
telling me it blocked access.)
I assumed there were no differences between the portable and desktop versions beyond 32 bit vs 64 bit.
This
worked yesterday. It fails today. There have been no changes on the system that would account for it.
Something is obviously blocking the 64bit version's access to the card. I'm trying to discover what it is.
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Dennis