Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix npm run build Failed After Git Pull

You pulled the latest code from Git, ran npm run build, and got errors. This is a co...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Docker Compose: Fix 'Port Already in Use on Host' Error

When you run docker compose up and see an error like port is already allocated...

DNS Probe Finished NXDOMAIN: Meaning and Fixes
You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Fixing Edge Sync Error 0x80072efd on Windows
If you see error code 0x80072efd when trying to sync your Microsoft Edge browser data, the sync p...

Fix Windows Update Error 0x80070002
Windows Update error 0x80070002 usually appears when the update process can't find a required...


    Issue queue
Sitemap
How to Enable Real-Time Protection in Defender
How to Fix ERR_NAME_NOT_RESOLVED in Chrome on Windows 10
Fix 'Permission Denied' in VS Code Terminal
Windows 11 Installation Assistant Stuck at 99% After Restart
Firefox Secure Connection Failed Troubleshooting Steps
pip Dependency Conflict Troubleshooting Guide
Resolve Chrome Certificate Error Post-Update
Troubleshoot Nginx SSL Redirect Loop
Fix Git 'refusing to merge unrelated histories' Error
Fix Windows 11 Installation Assistant Hanging at 99 Percent
Resolve DNS Probe Finished NXDOMAIN Error in macOS
How to Turn On Remote Desktop in Windows 10
Desk note

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