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

Fix Microsoft Store Not Opening After Offline Installer

If you've installed an offline version of the Microsoft Store (for example, on a PC without inter...

Fix Windows Activation Authentication Failed After Hardware Change

After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...

How to Fix Outlook High CPU Usage Caused by Add-ins

If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Troubleshoot PowerShell 404 Not Found Errors

When PowerShell shows a 404 Not Found error, it usually means the system cannot locate a file, mo...

Fix BitLocker Auto Unlock Not Working After Update

After a Windows update, you might find that BitLocker auto unlock stops working on your external ...