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.
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.