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 Microsoft Store 404 Not Found Error

Seeing a 404 Not Found error when opening the Microsoft Store is frustrating, but it's often fixa...

Windows 11 Activation Error: Product Key Blocked – Fixes

You see “Product key blocked” during Windows 11 activation. This usually means the key is tied to...

How to Fix BitLocker Connection Refused Setup Error

You're setting up BitLocker and get a 'connection refused' error. This usually happens during net...

Fix Windows Activation Backup Restore Error 0x80070057

When you try to back up or restore Windows activation using the slmgr /upk or ...