How to Fix Windows Genuine Advantage Validation Error

Windows Genuine Advantage was created to indicate unlicensed copies of the Windows XP operating system. However, some XP users are reporting that WGA is giving false positives - tagging their perfectly legal copies of XP as pirated, resulting in constant, irritating error messages prompting them to get a licensed version. Luckily, with a simple registry edit, users can disable the WGA error messages. Though editing the registry does involve working with a command prompt, it is a very simple process. Just follow the steps below.

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Make sure all data on your computer is backed up. This is advised anytime you are making changes to a computer's system. It's an important precaution.

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Shut down your computer.

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Reboot in safe mode by holding down the F8 key when you turn the computer back on. You’ll be given the option to boot in safe mode. Choose that option.

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Open the Start menu at the bottom left corner of your screen and select "Run." A command prompt window will open. In the command prompt window, type “regedit.” This will open the registry editor.

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Back up the registry in case of error. Find the registry editor’s menu. Click on "File" and "Export." Under Export Range, select “All,” and save to a folder that you can locate easily.

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Once your registry is backed up, search the registry editor for a folder called “wgalogon.” Delete this folder and close the registry editor.

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Search your Windows for any other files that start with “wga” and delete them.

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Restart your computer normally and you’ll never receive a WGA notification again.