I don't actually have any SD cards attached.
It claims in the small print is can apply to internal drives also.
Or indeed it might be due to the assignment of drive letters to drives that have not plugged into them.
My dell 2407 monitor has a hub with various sd card readers as part of it, i will try to disco that and see if it allows it.
I had same issue, fact is, it's not ready for general use if you have USB hubs etc, we have to wait until they get that fixed, if you have a simple laptop then you should be good to go, but most of us have desktop PCs with various USB devices , hubs etc so wait until the later version/build has these issues fixed, only other solution is clean install with all USB devices/hubs removed etc, most of us don't want to do that.
Anyway I'll wait until they fine tune it to work with USB devices etc.... A little ironic since USB devices have been around for decades, guess Microsoft miss the ball on that part of testing lol...All the other previous builds had no issues with my PC with regards to USB etc and my PC has been the same for decade or so(yes it's due for a major upgrade).
My personally opinion is it's not ready for general release.
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