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 After Windows Update

After a Windows update, some users see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome ...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

How to Reset Windows Defender Real-Time Protection

Windows Defender real-time protection can sometimes get stuck, fail to turn on, or stop respondin...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Fix Windows Update Service Not Starting Automatically
If Windows Update stops working, the most common reason is that the Windows Update service isn...

How to Resolve Python pip Dependency Conflicts
You run pip install and see a wall of text about DependencyConflict or ...


    Issue queue
Sitemap
Fix 'Python Virtual Environment Activate Command Not Found'
Fix No Internet After Sleep on Windows 11
Fix DNS Probe Finished NXDOMAIN: Chrome Flags Reset Guide
Chrome DNS Error Troubleshooting Guide
Fix 'port already allocated' for Nginx in Docker Compose
Docker Out of Disk Space Solutions
Fix Access Denied Error 0x80070005 in Windows Update
Troubleshooting Cloudflare Full Strict Certificate Problems
Fix Chrome High Memory Usage on Windows 10
How to Fix ERR_CONNECTION_RESET in Chrome
Remote Desktop Can't Connect to This Computer: Troubleshooting
How to Fix VS Code Permission Denied on Update
Desk note

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