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

How to Fix Windows Security 404 Not Found Error

If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...

How to Fix Chrome Authentication Failed Due to Proxy Settings

If you see 'authentication failed' in Chrome when trying to access a website, your proxy settings...

Fix Microsoft Store Permission Denied Error on Windows 10

You try to install or update an app from Microsoft Store, and you get a 'Permission Denied' error...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Prevent Windows Update Dependency Conflicts on Reboot

You restart your Windows PC after updates, only to see a message about a dependency conflict or a...

Fix Windows Search DNS Error After Network Change

If Windows Search stops working after you change networks — for example, moving from office Wi‑Fi...