Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

How to Fix Cloudflare 521 Error During Setup

If you see a 521 error after setting up Cloudflare, it means your origin server refused the conne...

How to Fix Cloudflare 522 Error When Website Won't Load

Cloudflare 522 error means your origin server is not responding within the allowed time. This usu...

VSCode Breakpoint Not Working? Here's How to Fix It

You set a breakpoint, start debugging, but the code runs past it without stopping. This is a comm...

Fix Git SSL Certificate Error: Unable to Get Local Issuer

If you see the error fatal: unable to access 'https://...': SSL certificate problem...


    Issue queue
Sitemap
Fix Windows Security App Not Opening Command Prompt
Mac Python Venv Activation Troubleshooting
How to Handle Python Dependency Mismatches
Troubleshooting Nginx 502 in Docker Multi-Container Environments
Fix Firefox Secure Connection Failed Error (Mozilla)
Fix Node.js Heap Out of Memory on Linux Server
How to Fix ERR_CONNECTION_RESET in Chrome
VS Code Git Not Reflecting .gitignore Changes
Nginx Upstream Connection Refused: Cloudflare Fix Guide
Cloudflare Origin Certificate Troubleshooting Steps
Resolve Nginx Redirect Loop Behind Cloudflare
Troubleshooting Windows Update Error 0x80070005
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities