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

Fix Windows Security Connection Refused Certificate Error

When you see 'connection refused' combined with a certificate error in Windows Security, it usual...

Task Scheduler Auto Start Not Working with Logon Trigger

You set up a Task Scheduler task to run automatically when any user logs on, but it doesn't start...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Fix OneDrive Sync Stuck on 404 Not Found Error

If your OneDrive sync is stuck and you see a 404 Not Found error, it usually means the sync engin...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix Windows Defender Permission Denied Scanning Errors

When Windows Defender reports "permission denied" while scanning, it usually means the antivirus ...