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

Task Scheduler High Memory Usage: Troubleshooting Guide

If you notice that the Task Scheduler service (Schedule.exe or svchost.exe hosting the service) i...

How to Reinstall Windows Defender in Windows 11

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

How to Fix Chrome Browser Freezing Issues

If Chrome freezes or becomes unresponsive, it's often due to accumulated cache, problematic exten...

Fix Chrome 'Connection Refused' Error from Firewall Block

When you see "This site can’t be reached – connection refused" in Chrome, it often means somethin...

Fix Windows Defender Service Not Starting (Error 0x80070422)

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

Fix Windows Security Authentication Error 0x80070035