By carefully editing the .vmx configuration file and understanding how WinOLS detects virtualization, you can bypass Error 451 reliably. Start with Method 1 (VMX edits) — it is safe, reversible, and works for 95% of cases. Only venture into binary patching or registry hacks if absolutely necessary.
Uncheck the box that says .
Connecting a USB programming interface (like Kess v2, KTAG, or a MagicMOTOR) or a hardware security dongle requires configuring USB passthrough. winols 451 vmware fix
Once the VM is disguised, proceed with the activation provided by your version's supplier: Run the WinOLS 4.51 application.
He plugged in his Genuine MPPS V18 interface. The Windows "device connected" sound chimed. WinOLS loaded. He clicked "Detect ECU." By carefully editing the
This information is provided for educational and research purposes only. WinOLS is proprietary software of EVC Electronic. Patching software may violate its EULA. Always own a legitimate license and consult legal counsel before applying modifications.
WinOLS 4.51 often uses hardware-locked licensing. When a virtual machine is moved to a new physical computer or when certain VMware Workstation Uncheck the box that says
: In VMware settings under Options > Advanced , check the box for "Disable side channel mitigations" to improve performance and bypass certain security checks. 3. Fixing "Expired" or Launch Errors
Disable automatic time synchronization between the host and the virtual machine, as altering the system time can corrupt the activation.
WinOLS sometimes checks the MAC address of the virtual network adapter. Standard VMware network cards start with 00:50:56 or 00:0C:29 . Changing this can prevent detection. Open your modified .vmx file again.
Do not use outdated versions of VMware. Use VMware Workstation 16 Pro or 17 Pro.