If you still cannot get the software to open after applying the .vmx modifications, check the following common failure points:

What does WinOLS 4.51 show (e.g., "License Invalid", "Hardware Changed")? Are you using VMware Workstation Pro or Player ?

# Disable VMware backdoor I/O port isolation.tools.setVersion.disable = "TRUE" isolation.tools.getVersion.disable = "TRUE" monitor_control.restrict_backdoor = "TRUE"

The most common reason WinOLS 4.51 won't open is that it detects it's running inside a virtual machine and intentionally quits. To bypass this, you must edit your virtual machine's configuration file ( .vmx ). your virtual machine completely.

On your (not inside the VM), press Win+R , type services.msc . Locate "VMware Authorization Service".

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