Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android

When browsing on Chrome for Android, you might encounter the error net::ERR_CERT_AUTHORITY_...

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

Git index.lock File Exists: Quick Fix Checklist
You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Firefox Secure Connection Failed Only on WiFi: Fixes
If Firefox shows a "Secure Connection Failed" error only when you're on WiFi—but the ...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers
If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

How to Fix Nginx Redirect Loop 302 Errors
You're seeing a 302 redirect loop in Nginx — the browser keeps bouncing between URLs until it...


    Issue queue
Sitemap
How to Fix Edge Sync Not Syncing History
Fix Docker Engine Stopped by Antivirus Software
Fix Chrome High Memory Usage: Practical Steps That Work
How to Delete a Git Remote Origin
Fix ERR_NAME_NOT_RESOLVED on All Sites in Chrome
Troubleshooting Cloudflare Wildcard SSL Issues
Troubleshoot WiFi No Internet Post Windows 11 Update
Fix Externally Managed Error: Create Virtual Environment
Fix 'No Space Left on Device' with Docker Devicemapper
Second Monitor Taskbar Icons Not Showing? Try These Steps
Using nvm to Switch Node Version for a Specific Package
Windows 11 Assistant Stuck at 99%: Reset and Finish
Desk note

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