With NextCloud Windows 10 client version 3.0.1 (64bit machine) the correct command is
regsvr32.exe “C:\Program Files\Nextcloud\shellext\NCOverlays.dll”
Note the Program Files directory, NCO and not OCO and lastly no _x64 at the end
With NextCloud Windows 10 client version 3.0.1 (64bit machine) the correct command is
regsvr32.exe “C:\Program Files\Nextcloud\shellext\NCOverlays.dll”
Note the Program Files directory, NCO and not OCO and lastly no _x64 at the end