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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

Fix Windows Update Path Not Found After Clean Boot

After performing a clean boot to troubleshoot system issues, you might see a 'path not found' err...

How to Fix Windows Security Rate Limit Error

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

MongoDB Authentication Failed: Administrator Checklist

How to Fix Windows Defender Update Stuck Error

When Windows Defender gets stuck downloading or installing updates, you might see an error like “...

Fix Windows Defender Real-Time Protection Grayed Out

You open Windows Security, go to Virus & threat protection, and see Real-time protection is turne...