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

Fix Command Prompt 404 Not Found Error

If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...

Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...

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 Update Cleanup Stuck: Practical Steps

You run Disk Cleanup, select Windows Update Cleanup, and it sits at 0% or hangs ...

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...

Fix Windows Update Error 0x80073712

You see error 0x80073712 when checking for Windows updates. It usually means a system file is mis...