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

Windows Search 502 Bad Gateway Reset Steps

You search for a file or setting in Windows, and instead of results you see a 502 Bad Gateway err...

How to Enable Task Scheduler Auto Start for Background Apps

If a background app stops launching automatically after a reboot, the Task Scheduler entry may be...

Fix Chrome Tunnel Connection Failed Error

When you see "Tunnel connection failed" in Chrome, it usually means the browser couldn't establis...

Chrome Profile SSL Certificate Error: Step-by-Step Fix

You open Chrome and see a warning like “NET::ERR_CERT_COMMON_NAME_INVALID” or “Your connection is...

How to Fix 'Windows Defender Module Not Found' Error

If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...

Fix KMS Activation Error: Port 1688 Already in Use