Unable to connect remote desktop after Windows Update

Hello, got an issue after updating our Windows OS where user are unable to connect thru Remote Desktop. I'm doing this troubleshooting guide https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/troubleshoot-connect-windows-instance.html

Got an error:

Status
Failed
Output
----------ERROR------- failed to run commands: fork/exec C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe: Access is denied.

OutputPayload
{"Status":"Failed","ResponseCode":1,"Output":"
----------ERROR-------
failed to run commands: fork/exec C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe: Access is denied.","CommandId":"86fc373f-4d1a-4ec1-95a0-38e7d624229c"}