re. The original question.

What guest OS are you running?

PC-

Device name ???
Processor Intel(R) Xeon(R) W-11855M CPU @ 3.20GHz 3.19 GHz
Installed RAM 32.0 GB (31.2 GB usable)
Device ID BAC2B41F-8EED-4700-997C-4E7??
Product ID ???
System type 64-bit operating system, x64-based processor

OS-

Edition Windows 10 Pro for Workstations
Version 21H2
Installed on ‎12/‎20/‎2021
OS build 19044.1526
Experience Windows Feature Experience Pack 120.2212.4170.0

Does it help if you disable 3D acceleration?

Disabled now

Have you tried to lower the amount of virtual CPU's?

was 1 CPU and 6 cores, lowered to 1 CPU and 2 cores

Did you check any of the options in the CPU configuration for "virtualization engine"? If so, have you tried removing all checkboxes there?

No Virtualization
--
Allan