Even if you haven't deleted a folder already using Opus?
There are general suggestions here (my favorite being to use FTP instead of MTP, which avoids the USB cable, works over wifi, and is a lot more reliable):
Even if you haven't deleted a folder already using Opus?
There are general suggestions here (my favorite being to use FTP instead of MTP, which avoids the USB cable, works over wifi, and is a lot more reliable):