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...

How to Fix BitLocker Authentication Failed on Windows 11

You enter your BitLocker PIN or startup key, and Windows 11 shows 'Authentication failed.' This u...

Fix Port Already Allocated Error in Windows Security

If you see a 'port already allocated' error when starting a Windows Security-related service or a...

Fix 'Profile Service Unavailable' Configuration Error in Chrome

You open Chrome and see the error message: “Profile service unavailable.” This usually means Chro...

Fix Windows Update 504 Gateway Timeout on Windows 10

If you see a 504 Gateway Timeout error when running Windows Update on Windows 10, it usually mean...

Fix Windows Security Access Denied via Group Policy

When you try to open Windows Security or access its features (like virus & threat protection), yo...