Based on your search for , it seems you are likely looking for a Windows repair tool (a play on "Windex" cleaning + "WD" for Windows Defender or Windows Disk).
# Repair Windows Defender Dism /Online /Cleanup-Image /RestoreHealth sfc /scannow chkdsk C: /f /r Reset Windows Update & Defender via PowerShell (Admin) Get-AppxPackage Microsoft.SecHealthUI | Reset-AppxPackage windex wd repair
Would you like a step-by-step guide for fixing Windows Defender or disk errors manually instead? Based on your search for , it seems