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

How to Fix Outlook 404 Not Found Error in OWA

When you try to open Outlook on the web (OWA) and see a 404 Not Found error, it usually means the...

OneDrive Sync Troubleshooting: Connection Refused Checklist

When OneDrive reports a connection refused error, syncing stops entirely. This often happens afte...

How to Fix 'File Locked by Chrome' Error

You try to move, rename, or delete a file, but Windows tells you it's locked by Chrome. This usua...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Outlook High CPU Usage: Troubleshooting Checklist

If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

Check If Your Windows License Is Retail or OEM

If you're troubleshooting activation issues or planning to transfer Windows to a new computer, kn...