Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Fix VSCode Terminal 'Permission Denied' on Windows

If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...

Fix Nginx Upstream Connection Refused Socket Error

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Restore Windows Defender Real-Time Protection After Malware Disables It
If your Windows Defender real-time protection has been turned off and you suspect malware is the ...

Fix Node.js package.json Engine Check Failures
When you run npm install and see an error like EBADENGINE or engi...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected]        main -> main (non-fast-forward) when running


    Issue queue
Sitemap
Setting a Total Timeout for Python Requests
Troubleshooting Blue Screen on Windows 11 Post-Update
How to Fix pip Permission Denied on Ubuntu
Troubleshoot Cloudflare 521 and Proxy Issues
Fix Detached HEAD in Git and Switch Branches
Ethernet No Internet Access on Windows 11 – Troubleshooting
How to Solve Nginx Upstream Permission Denied
How to Reset Permissions for Windows Update Error 0x80070080
Docker Build Context Canceled: Causes and Solutions
How to Restore Missing Taskbar Icons on a Second Display
How to Fix Shared Folder Access in Windows
How to Fix ERR_CONNECTION_RESET When Firewall Blocks Chrome
Desk note

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