The reason for the problem:
Reason 1. The reason for this problem is that Device Guard or Credential Guard is not compatible with Workstation.
Reason 2: Hyper-V in the Windows system is not compatible.
solution:
first step:
"win+R" to open the run, enter gpedit.msc, OK to open the local group policy editor
Go to Local Computer Policy > Computer Configuration > Administrative Templates > System > Device Guard
to open the virtualization-based security setting to "Disabled"
Step two:
"win+ R" to open and run, enter services.msc, confirm to open the local service > find the HV host service > set the startup type to "disabled"
third step:
"Control Panel" > "Programs and Features" > "Turn Windows features on or off" to turn off Hyper-V, choose not to restart
the fourth step:
Close Hyper-V with the following command (the control panel closes Hyper-V is not decisive)
"win+x", then run Windows Powershell (administrator) as an administrator,
or choose "cmd" to run as an administrator
bcdedit /set hypervisorlaunchtype off
the fifth step:
Restart the computer