Knowledge base for software setup, errors, and daily tool work.

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

Fix Windows Security Service Stopped Manually Error

If you see "Windows Security service stopped manually" in Event Viewer or your antivirus reports ...

Fix Dependency Conflicts When Microsoft Store Games Won't Launch

You install a game from the Microsoft Store, click Launch, and nothing happens—or you get a vague...

OneDrive Setup Sync Stuck at Starting: How to Fix

You open OneDrive and see 'Setting up sync' or 'Starting' for a long time—sometimes hours. This u...

How to Fix 502 Bad Gateway in PowerShell Invoke-WebRequest