Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx 502 Bad Gateway on Docker Ubuntu

You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see

VS Code Source Control Not Detecting Changes on Mac: Fixes

You make edits in VS Code on your Mac, but the Source Control panel shows nothing. No files appea...

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes

You start a Windows 11 update, and it hangs at 0% for minutes or hours. Corrupt system files are ...

Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step

You're browsing and suddenly Chrome shows 'DNS_PROBE_FINISHED_NXDOMAIN'. This means y...

Fix Nginx Configuration Test Failed: Duplicate Listen Error

When running nginx -t to test your configuration, you may see an error like "...

Fix npm run build Failed Due to Missing Dependencies
When you run npm run build and it fails with errors about missing dependencies, the ...

Issue queue
Sitemap
How to Fix Chrome Sync Error 'Sign In Again'
Troubleshooting Nginx 502: Backend Connection Refused
How to Fix Network Share Not Accessible via Registry
Resolving Git Merge Conflicts Between Two Branches
Understanding and Resolving Git Detached HEAD
How to Resolve Nginx Upstream Connection Refused 443
How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome
Fix Git Index Lock File Exists Error
Detached HEAD in Git: Step-by-Step Recovery
Mac Chrome Sync Failure: Troubleshooting Guide
Fix Externally-Managed-Environment Error: Use Virtual Environment
Permanently Increase Node.js Heap Size
Desk note

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