You can address WGA issues through manual system tweaks or dedicated removal tools. 1. Manual File and Registry Removal

This method involves deleting the core files responsible for the "not genuine" messages.

While Microsoft recommends upgrading to a supported OS like Windows 11 for security, many users still seek ways to remove these notifications on legacy systems. Methods to Remove WGA Notifications

Remove Windows Genuine Advantage Alerts | PDF | Computer File

Windows Genuine Advantage (WGA) is a Microsoft system designed to verify that your copy of Windows 7 is authentic. When this validation fails—either due to a pirated key or a system glitch after a hardware change—users are often met with persistent "not genuine" nag screens and a black desktop background.