Winols 451 Vmware Fix (2026)

Actionable recommendation (step-by-step)

If you mistakenly saved changes and the counter hits zero, you have two options:

isolation.tools.getPtrLocation.disable = "TRUE" isolation.tools.setPtrLocation.disable = "TRUE" isolation.tools.setVersionLocation.disable = "TRUE" isolation.tools.getVersionLocation.disable = "TRUE" isolation.tools.getPtrLocation.disable = "TRUE" isolation.tools.setPtrLocation.disable = "TRUE" isolation.tools.setVersionLocation.disable = "TRUE" isolation.tools.getVersionLocation.disable = "TRUE" monitor_control.disable_directtarget = "TRUE" monitor_control.restrict_backdoor = "TRUE" Copied to clipboard the file and restart your virtual machine. Fix 2: Reinstalling VMware Tools

VMware Anti-Detection Script (available on GitHub – search “vmware-anti-detection”). winols 451 vmware fix

The most reliable fix involves editing the .vmx file of your specific virtual machine. Follow these steps carefully. Step 1: Power Off the Virtual Machine

Many WinOLS 4.51 packages found online include a specific loader or an "Emu" (Emulator) patch. Open your virtual machine.

You have failed to set the disk to "Non Persistent" or you accidentally saved the VM state when it was at 0. : Re-extract the original archive from the .rar file and repeat the setup process, making sure to select "Non Persistent" before shutting down the VM. Follow these steps carefully

Here’s a proven fix:

WinOLS 4.51 is a highly sought-after tuning software utilized by automotive professionals to modify ECU maps. Because official licensing can be cost-prohibitive for DIYers and independent shops, many users turn to pre-configured VMware virtual machine (VM) images.

Add the following lines at the end of the file. These parameters instruct VMware to spoof its presence: You have failed to set the disk to

This is the most common and effective method. It involves adding specific parameters to the virtual machine’s configuration file to hide the presence of VMware.

He decided to dig deeper into the registry. This was the "VMware Fix"—the holy grail of getting 4.51 stable. He opened the Registry Editor ( regedit ) inside the virtual machine. He navigated to the hardware key associated with the USB controller.

The screen filled with hex code, maps, and checksums. The DPF data, the EGR data, the torque limits—it was all there. WinOLS 4.51 was running smooth as butter.

The issue was that VMware was presenting the USB ports as a generic hub, confusing the driver signature enforcement in Windows 7. He needed to force the VM to treat the USB device as if it were physically attached to the motherboard, not passed through a hypervisor.