Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing Nginx 502 Bad Gateway in Docker WordPress Setups

If you're running WordPress in Docker behind an Nginx reverse proxy, a 502 Bad Gateway error ...

Docker Compose .env File Not Loading: Common Fixes

You set environment variables in a .env file next to your docker-compose.yml

Fix 'Python Is Not Recognized as an Internal or External Command'
When you type python in the Command Prompt and see 'python is not recognized...

DNS Probe Finished NXDOMAIN: Internet Connection but No Browsing Fix
You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...

Fix Cloudflare Origin Certificate Not Trusted by Browser
You've set up Cloudflare with an origin certificate, but browsers show a warning that the cer...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...


    Issue queue
Sitemap
Fix npm run build Failure from Missing Env Variables
Taskbar Icons Missing But Taskbar Visible: Fixes
Cloudflare SSL Full Strict Error: Self-Signed Certificate
Chrome Startup Crash Fix: Disable Extensions
Chrome Profile Sync Error Code Fix
Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter
Windows 11 Network Reset No Internet Fix
Git Merge Conflict: Check Differences Between Branches
How to Fix Nginx Upstream Connection Refused on Port 80
Windows 11 Blue Screen After Update Fix with SFC
Fix Bluetooth Service Disabled in Windows 11
Resolving Python Encoding Errors on Windows
Desk note

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