Fix WPA Registry

Experiencing Windows activation problems or unusual CPU spikes from the sppsvc service? Corrupted WPA registry keys are often the culprit. This guide provides a clear, step-by-step solution to repair these protected registry entries, ensuring your system activates correctly and runs smoothly.

  • In some cases, the system may have corrupt WPA registry keys at HKEY_LOCAL_MACHINE\SYSTEM\WPA which can cause sppsvc to not work and activation to fail, it can also cause high CPU usage in sppsvc service.
  • If you are not sure whether you need to do it or not, you can get help from here.
  • This registry key is protected by the kernel and cannot be deleted normally. That is why we need to follow some more steps below to clear it.

Steps To Fix WPA Registry

  • Download https://github.com/asdcorp/rearm/archive/refs/heads/principalis.zip
  • Extract this zip file.
  • Copy rearm.cmd file to the root of the C drive, like C:\rearm.cmd
  • Open Command Prompt as administrator and enter the command below:
    Shutdown /f /r /o /t 0
  • After the system restarts, select Troubleshoot > Advanced Options > Command Prompt.
  • Enter the following command
    C:\rearm.cmd
  • If it says the command is not recognized, enter
    bcdedit | find "osdevice"
  • It will show you the OS drive letter. Use that drive letter in the command, for example,
    E:\rearm.cmd
  • Wait for it to finish. When it's finished, you will be able to type in the command prompt, If not then wait.
  • Once done, exit and then normally boot into Windows.
  • If it doesn't help, you can connect with us for help.

Video Tutorial

Get MAS from the official project

This site does not host its own build of the scripts. The buttons below go to the project’s own repository and mirrors, so what you get is what the developers published.

Download from official repositoryView official releasesView source

PowerShell one-liner published by the project:

irm get.activated.win | iex

Check the domain before running it, and see how to verify what you run.

Activation tooling is routinely classified as riskware by antivirus software. That is expected for this category and is not by itself evidence of malware — nor proof that a particular copy is clean. Verify the source before running anything.