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

How to Fix Windows Search 404 Errors

If you see a '404 Not Found' error when using Windows Search, it usually means the search index c...

Fix Outlook 502 Bad Gateway Error on Windows 10

If you see a 502 bad gateway error in Outlook on Windows 10, it usually means the connection betw...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

Fix PowerShell Network Drive Access Denied Errors

You try to map a network drive in PowerShell, but get 'access denied'. This is common when permis...

Windows Security App Not Opening After Update: Fixes

After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...