2018 Remove double volume entry from disk management

The fix below is tested on Windows 8. May work on Windows 7 and Windows 10.
  1. Download and install minitool partition wizard free 
  2. Hide the double partition entry  with minitool partition wizard free. (at this point both partition will merge in 1 entry.
  3. Close minitool partition
  4. Open disk mangement and asign the driveletter to the partition again (
  5. Reboot your computer
If above is not working:
  • boot gparted iso disk 
  • remove the hidden flag from the partition
  • repeat above step 1 to 5
The cause may be a corrupted table >> GPT.