Hi @ Wilders I am using Bvckup2 to backup my folders and file on Win 10 (Fully updated). I backup to a second internal hard drive (not ssd or USB). The backups are set up as Real Time so that when there is any change in one folder almost immediately it is backed up automatically. Separately, I have noticed that when Bvckup2 is working my Device manager is refreshing (flashing) until the backup stops. Reading on the internet suggests that Device Manager is related to USB problems, but in this case I am not using USB and have identified 3rd party software as the issue. Any advice on how to stop Device Manager refreshing would be appreciated. Terry