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

How to Fix Chrome DNS Error Code 105 (ERR_NAME_NOT_RESOLVED)

If you see "DNS error code 105" or "ERR_NAME_NOT_RESOLVED" in Chrome, it means the browser cannot...

How to Remove a Host Key from SSH Known Hosts

SSH warns or fails when a remote host's key changes—common after server rebuilds, IP reassignment...

Fix Windows Defender Service Not Starting After Update

After a Windows update, you might find that Windows Defender won't start, leaving your system wit...

Fix Windows Update Rate Limit Error and Sync Issues

You might see a rate limit error or sync issue in Windows Update when the update service temporar...

Fix kubectl Apply Forbidden in AKS: Permission Denied

How to Fix BitLocker Auto-Unlock Not Working

If BitLocker auto-unlock stops working, you're prompted for a recovery key or password each time ...