Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Docker Compose Ports Not Working: Common Fixes

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...

Docker Compose Port Already Allocated: Fixes & Checks

When you run docker-compose up and see an error like Error starting userland p...

Fix Git Push Rejected Non-Fast-Forward After Pull
You run git pull, then git push, and get: ! [rejected] non-fast-f...

Fix Windows Update Service Not Running with DISM Restore Health
You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...

How to Set npm Prefix to Avoid Permission Denied Errors
If you've seen EACCES: permission denied when running npm install -g


    Issue queue
Sitemap
How to Generate package.json with npm init
How to Set npm Prefix to Avoid EACCES Errors
Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories
Fix Windows 11 No Internet but Wi-Fi Connected DNS Issue
Troubleshooting Docker Network Errors in Windows
Fix Docker Network Not Found Error (Code 255)
Fix Missing or Broken Taskbar Icons in Windows 11
Fix Python Requests Proxy Timeout
How to Fix Nginx Permission Denied Error
Uninstall Windows Update from Safe Mode After Blue Screen
Fixing spawn ENOENT in VSCode Integrated Terminal
How to Fix Nginx Permission Denied Errors
Desk note

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