I have Opus Directory 12, Pro edition, version 12.6 x64, build 6369,
On PC AMD Phenom II X6 1090T Processor 3.20 GHz, 16GB RAM 64bit System. Windows 10 Home
1703 build 15063.483.
Problem: When I right-click on the usb external disk just plugged in or on USB memory for
See the properties, the relative menu opens with a huge delay, even 30 minutes. As it is possible to speed up.
This does not happen with normal Explorer windows.
That guide shows how to track down the cause if it is a bad shell extension, which is most likely.
Another possibility is antivirus making USB access very slow for some programs and not others, but it's less likely than what's in the guide.