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

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

Fix Windows Security App Access Denied Error

When you open Windows Security (formerly Windows Defender Security Center) and see an 'Access...

Fixing Chrome Startup Crashes: A Practical Repair Guide

If Chrome crashes immediately when you open it, the problem is often in the user profile, a corru...

Fix Windows Update Error 0x800f081f After Update

If you see error 0x800f081f after a Windows update, the installation likely failed because requir...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Fix 'Git Remote Origin Already Exists' in VS Code