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

Windows Defender Troubleshooting Checklist

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix Windows Security Authentication Error 0x80070035

Fix Windows Defender Service Not Running

If you see "Windows Defender service not running" or a red warning in Security Center, the underl...

Checklist to Diagnose Chrome Profile High CPU Usage

If Chrome is using 90%–100% of your CPU even with just a few tabs open, the problem is often the ...

Fix Chrome Profile Permission Denied Sync Error

You try to sign in to Chrome and sync your bookmarks, passwords, and settings, but instead you se...

Fix Task Scheduler Corrupt Database: Step-by-Step Guide

If Task Scheduler stops working, shows errors like "The task image is corrupt or has been tampere...