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

Fix Windows Defender High CPU Usage in Windows 10

If you notice your PC slowing down and the fan spinning up, Windows Defender might be using more ...

How to Fix Chrome 404 Error on a Specific Website

You're browsing a site you visit often, and suddenly Chrome shows a 404 Not Found error — but onl...

Fix Microsoft Store Not Working Due to Proxy Settings

If the Microsoft Store won't load, shows errors, or fails to download apps, your proxy settings m...

How to Fix Token Expired Error in Command Prompt

You're in the middle of a command-line task—maybe using Azure CLI, GitHub CLI, or a REST API tool...

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

Fix Error 0x80070005 Access Denied in Command Prompt