Networking Error: IP address already assigned to another adapter

1. Select Start > Run, type cmd.exe, and press Enter.
2. At the command prompt, run this command:
   
   set devmgr_show_nonpresent_devices=1
3. Enter Start DEVMGMT.MSC and press Enter to start Device Manager.
4. Select View > Show Hidden Devices.
5. Expand the Network Adapters tree (select the plus sign next to the Network adapters entry).
6. Right-click the dimmed network adapter, and then click Uninstall.
7. Close Device Manager.