If you are using Windows 10, you can delete Vlan.dat from the computer by following these steps:

  1. Open the Start menu and type “cmd”.
  2. Type “netstat -a” and press Enter.
  3. Look for the line that says “VLANs: active”. If it is present, then the Vlan.dat file has been deleted successfully. If it is not present, then you may need to try again later.