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 on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Fix 'Windows Cannot Access Shared Folder' Permission Denied

You try to open a shared folder on another computer and get: "Windows cannot access \\com...

Windows 11 Update Stuck at 0%? Run System File Checker First
If your Windows 11 update is stuck at 0% for more than 30 minutes, corrupted system files are a c...

Fix Python venv Not Activating in VS Code Terminal
When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

Fix Cloudflare 521 Error: DNS Configuration Problem
If you see a Cloudflare 521 error page, it means Cloudflare's servers are unable to connect t...

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

Issue queue Sitemap Troubleshoot Windows Explorer Restart Loops and Slowdowns Fix pnpm Store Path Errors Resolving Python Package Version Conflicts Python Requests GET Timeout: A Practical How-To How to Fix Node Sass Build Failed on Windows Reset Network Settings in Windows 11 Using Netsh Commands How to Stop Docker Container from Exiting on Start Troubleshooting npm Install Node Version Error Resolve Git Remote Origin Already Exists Error How to Fix Git Remote Origin Already Exists Chrome Extensions Not Loading? Fixes That Actually Work Nginx Upstream Server Connection Refused Guide Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities