Windows Defender Credential Guard does not allow using saved credentials
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceGuard.
Add a new DWORD value named EnableVirtualizationBasedSecurity and set its value to 0.
Add another new DWORD value named RequirePlatformSecurityFeatures and set that to 0.
Now go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa.
Add a new DWORD value named LsaCfgFlags and set it to 0.
Restart your computer.