Windlg_122.zip Apr 2026

This blog post provides an overview of , the classic Western Digital Data Lifeguard Diagnostic utility used to test and verify the health of Western Digital hard drives.

Double-click your drive to choose between the Quick Test or the Extended Test. Important Note on Modern Compatibility Windlg_122.zip

Easily see the PASS/FAIL status of your hardware. How to Use It This blog post provides an overview of ,

Download the windlg_122.zip archive and extract the contents to your desktop. How to Use It Download the windlg_122

Performs a SMART drive self-test to gather and verify the Data Lifeguard information on the drive.

If you have ever worried about clicking noises or slowing performance on your PC, you likely need a diagnostic tool. For years, the go-to solution for WD users was the package—the installer for Data Lifeguard Diagnostic for Windows . What is WinDLG_122.zip?

Right-click the .exe or .msi file and select Run as Administrator (especially important for Windows Vista or later).