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

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....

Windows 11 Bluetooth Not Finding Devices: Practical Fixes

If your Windows 11 PC suddenly stops detecting Bluetooth devices—like headphones, keyboards, or m...

Node.js Memory Leak Detection: Tools and Practical Fixes

Node.js applications can develop memory leaks over time—heap usage grows steadily, response times...

Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode

If you're running the Windows 11 Installation Assistant in Safe Mode and it gets stuck at 99%...

How to Validate Nginx Configuration Before Reload

Reloading nginx with a broken configuration can take your site down. The safe way is to test the ...

Fix Windows 11 Update Stuck at 0% – SoftwareDistribution Folder