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

Fix Windows Security Proxy Sync Issue

If Windows Security shows a proxy sync error, you may see a warning that security intelligence up...

OneDrive Sync Command Missing After Update: Fixes

After a Windows or Office update, some users find the OneDrive sync command (e.g., "Sync" or "Sha...

Fix Microsoft Teams DNS Error After Update

After a Microsoft Teams update, you may see a DNS error preventing sign-in or connection. This us...

How to Fix '404 Not Found' File Path Errors in CMD

Fix PowerShell Service Unavailable Error During SFC Scan

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

How to Fix Windows Update Stuck on Loading Black Screen

You start your PC, see the Windows logo, then it goes black with a spinning circle that never end...