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

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

Fix Windows Store Error 0x80073cf9: Configuration Issue

When you see error code 0x80073cf9 while trying to install or update an app from the Windows Stor...

VSCode Debugger Troubleshooting Checklist

When the VSCode debugger stops working, it's usually due to a misconfiguration, a missing extensi...

Fix Windows Update Pending File Rename Locked Error

You've seen the error: Windows Update gets stuck on 'pending file rename' or 'locked' status, oft...

How to Enable Windows Defender in Windows 10

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

Fix Outlook 404 Not Found Error on Windows 10

If you see a '404 Not Found' error when opening Outlook or clicking a link in an email, it usuall...