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

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...

How to Fix Visual Studio Installer Stuck at Initializing

You launch the Visual Studio Installer, but it stays stuck on "Initializing" for minutes or forev...

How to Fix Chrome Permission Denied Error

You're trying to upload a file, allow a website to use your camera, or access a local resource in...

How to Set Up SSL Certificate for Localhost on Windows 11

If you're developing a web application locally and need HTTPS, you can set up a self-signed SSL c...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix Windows Update Error 0x80070422 (Service Unavailable)

When you try to run Windows Update and get error 0x80070422, it usually means the Windows Update ...