You need to enable virtualization using BIOS setup.
step 1: Restart your PC and when your PC booting up then press your BIOS setup key (F1 or F2 or google your BIOS setup key).
step 2: Go to the security menu.
step 3: Select virtualization and enable it.
Step 4: Exit the bios config screen after saving it will automatically reboot your system and now when you open it you can see that the error was fixed.
Note:- BIOS setup depends on the PC Manufacturer-brand.