Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git SSL Certificate 'Unable to Get Local Issuer' After Update

After updating Git or your operating system, you may encounter the error fatal: unable to g...

Fix VS Code Git Authentication Failure with No Prompt
You try to push or pull in VS Code and see an error like "Git authentication failed" but ...

Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue
You're browsing in Chrome and see a full-page warning: Your connection is not private...

Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Docker Network Not Found Error (Code 255)
When you run a Docker container and get an error like docker: Error response from daemon: n...

Fix Windows Explorer Keeps Restarting in Safe Mode
If you boot into Safe Mode only to see Windows Explorer crash and restart over and over, the prob...


    Issue queue
Sitemap
Fix Docker Compose Port Already Allocated Error
Cloudflare Error 526: Causes and Solutions
Fix Error 0x80070424 in Windows Security App
Resolve JavaScript Heap Out of Memory in VS Code
Firefox Secure Connection Failed Only on WiFi: Fixes
Resolve 0x80070005 System Volume Information Update Error
VS Code Merge Conflict Resolution: Step-by-Step
External Monitor Black Screen in Chrome Troubleshooting
Chrome Sync Broken by VPN: Practical Fixes
Fixing Python UnicodeDecodeError When Reading CSV Files
Troubleshooting node-sass Build Errors on macOS
Fix Edge Sync Issues: Reset Sync Settings
Desk note

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