Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

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...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Nginx 'Permission Denied' Upstream Errors

When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...

Fix 'Windows Cannot Access Shared Folder' Permission Denied

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

Fix Nginx Configuration Test Failure After SSL Setup
You've just added SSL certificates to your Nginx server block, but nginx -t retu...

Fix Windows 11 Bluetooth Not Connecting: Practical Steps
You try to connect a Bluetooth device—headphones, mouse, keyboard—but Windows 11 either doesn'...

Issue queue
Sitemap
Git index.lock Error: How to Fix It
Troubleshooting Node Version Mismatch in npm
How to Restore IntelliSense for Dart and Flutter in VSCode
Windows Explorer Keeps Restarting: Cache Fix
Uninstall Windows Update from Safe Mode After Blue Screen
Git Clone Timeout Fix for Slow Connections
Windows 10 Can't Access Shared Folder: Fixes
Python Virtual Environment Activation Fix
Resolve 'node sass build failed permission denied'
Fix VSCode Source Control Not Detecting Changes
Troubleshoot Error 0x80070002 on Windows Update
How to Add Python 3.10 to PATH on Windows 10
Desk note

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