I have been on Windows10 for a long time, with no difficulties, but after Win10 update to 1903 (early June), I discovered the problems entering the Lightroom Import path. What I have analysed is that, after booting Windows10, I may or may not be able to import into LR. When I have difficulty with the import, either LR appears to hang, or it may take up to 5 minutes for all drives to be displayed on screen. Continuing with selecting the drive on which import is to be performed, again a very long time delay, or a hang. If I abort LR, and re-execute, the import again behaves in a similar way. What I find interesting is that, on some occasions of Windows10 booting, I can actually import, the performance is not unreasonable in speed, the picture selection for importing displays, and a good import is achieved. It appears that, at any time up to the next Wiindows reboot, even if I close LR, and later er-execute, I continue to be able to import without delay and hanging. I have now disabled the USB Multireader(s) through changes to the Group Policy Editor, and this appears to have "fixed" the problem, in that I am now consistently able to import. But is this just a temporary solution? It seems to reflect on reported USB problems arising from the Windows 1903 update.....where do I go from here? Surely Adobe have the ability to analyse this and if appropriate press MS for corrective action?
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