Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Nginx Upstream Connection Refused: Diagnosis and Fixes

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

Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Fix Docker Compose Environment Variable Substitution Failed

When running docker compose up, you might see errors like failed to resolve co...

Fix npm ENOWENT Package.json Not Found on Mac
If you see 'ENOENT: no such file or directory, open /path/to/package.json' when running n...

How to Fix Chrome Memory Hogging on Windows and Mac
You open Chrome, and your system slows to a crawl. The fan spins up, apps lag, and Task Manager s...

Windows 11 Update Stuck at 0%: How to Fix
You click 'Check for updates' and see the download stuck at 0% for minutes or hours. This...


    Issue queue
Sitemap
Cloudflare SSL Full vs Flexible: Troubleshooting Mixed Content & Errors
Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting Guide
Handling Large Files Without Memory Error in Python
Troubleshooting 0x80070002 Windows Update Error
Fix Git SSL Certificate Verify Failed: Unable to Get Local Issuer
Adding Python to PATH on Windows 10
Fix ERR_NAME_NOT_RESOLVED Chrome Linux
Fix git index.lock File Exists Error on Windows
Fix npm run build: Module Not Found Error
How to Fix Cloudflare Error 522 Connection Timed Out
Fix Windows Security App Crashing on Windows 10/11
How to Fix 'Permission Denied' When Using pip in Docker
Desk note

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