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 Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

Fix Windows 11 WiFi with Internet but No Network Access

After a network reset, some Windows 11 users find their WiFi connects but shows "No internet&...

Fix VS Code GitHub Authentication Failed Error

You're trying to push or pull code in VS Code, but you see an error like Authentication...

Windows 11 Update Failed Blue Screen Rollback Fix
You start your PC after a Windows 11 update and get a blue screen, then it rolls back. This artic...

How to Fix Blank or White Windows Taskbar Icons
If your Windows taskbar icons suddenly appear blank or white, the issue is usually a corrupted ic...

Fix Cloudflare Wildcard Subdomain Not Working
If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...


    Issue queue
Sitemap
How to Solve Node.js Heap Out of Memory in PM2
Fix Nginx Cannot Connect to PHP-FPM (Connection Refused)
Fix Python Permission Denied When Installing Packages on Windows
Internet Connected but No Browsing: DNS Fix
Troubleshoot Windows Defender Real-Time Protection
Troubleshooting npm run build Failures
Troubleshoot VS Code Git Permission Denied Error
Windows Update 0x80070002 Troubleshooting Guide
Git Push Rejected Non Fast Forward: How to Fix
How to Use Special Characters in Docker Compose .env Files
How to Remove Stale index.lock in Git on Windows
Fix Python MemoryError with Large CSV Files
Desk note

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