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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fix Windows Defender DNS Error on Windows 11

You open Windows Security and see a warning about a DNS error, or Windows Defender cannot update ...

Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

Fix 'Permission Denied' and 'Windows Update Module Not Found' Errors

You try to run Windows Update, but you get a "permission denied" error or a message that the upda...

How to Fix Windows Update Error 0x80240034 (Rate Limit)

If you see error 0x80240034 when checking for Windows updates, it usually means the update servic...

Chrome Profile Token Expired: Fix Sync Not Working

You open Chrome and notice your bookmarks, passwords, or history aren't syncing. A common cause i...