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

Fix Microsoft Store Service Unavailable Due to Network Settings

When you open Microsoft Store and see an error like “Service unavailable” or “Try that again – So...

How to Fix Chrome Token Expired Error 400

You're working in Chrome and suddenly get a 400 error: token expired. This usual...

Fix Windows Update 404 Not Found Using Command Prompt

If you see a 404 error when checking for Windows updates, it usually means the update files canno...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Windows Store Download Queue Not Moving: Fixes That Work

You open the Microsoft Store, start a download, and the progress bar sits at 0% or the queue just...

Microsoft Store Authentication Failed After Update: Fixes

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...