Hello wila,
I'm facing the same issues on many Guest machines and not only windows. Today, I have faced the issue on CentOS 8 guest machine.
Kindly find attached the log fie showing the panic issue:
E001: PANIC: ISBRendererComm: Lost connection to mksSandbox
2021-04-21T08:39:54.592+03:00| main| I005: MKSMacos: Starting CFRunLoop...
2021-04-21T10:55:00.357+03:00| host-2349331| W003: MTLRenderer: Command buffer execution aborted: Internal Error (IOAF code -536870211)
2021-04-21T10:55:00.372+03:00| host-2349331| E001: PANIC: Command buffer execution aborted: Internal Error (IOAF code -536870211)
2021-04-21T10:55:00.372+03:00| host-2349331| E001+
2021-04-21T10:55:00.372+03:00| host-2349331| W003:
2021-04-21T10:55:00.372+03:00| host-2349331| W003+ The core dump limit is set to ZERO; no core dump should be expected
2021-04-21T10:55:00.372+03:00| host-2349331| I005: Backtrace:
.....
