If you use VERACRYPT and have this error message on a DELL Pc, maybe you have the same problem. I use Version 1.24 of Veracrypt. You have so to assign a drive letter to your HD drice using diskmgmt.msc. Then you can mount the drive. How To : Go in Veracrypt to see the drive reference : Here Nb 3 : You have so to assign a drive letter to your HD drice using diskmgmt.msc. Then you can mount the drive. Then go to seach in Win task bar and write : "" and hit ENTER In the program; select the same drive...