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

Fix Windows Update 404 Not Found Using Command Prompt

If you see a 404 error when checking for Windows updates, it usually means the update files canno...

How to Fix Windows Defender 502 Bad Gateway Error

If you see a '502 bad gateway' error in Windows Defender, it usually means the security service c...

Fix Chrome Profile 502 Bad Gateway After Update

If you're seeing a 502 Bad Gateway error in Chrome immediately after a browser update, it often p...

Fix Microsoft Teams Sync Issues: Practical Steps

If your Microsoft Teams isn't syncing chat, files, or calendar changes, you're not alone. Sync is...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

Fix Windows Terminal Config File Not Saving

You edit your Windows Terminal settings, click Save, and the changes disappear. Or the file rever...