Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Fix Nginx Upstream Connection Refused in Proxy Pass

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

Find Nginx Permission Denied Error Logs and Fix Access Issues
When Nginx returns a 403 Forbidden or 500 Internal Server Error, the root cause is often a permis...

How to Show Hidden Icons on Taskbar in Windows 10
You may notice that some app icons in the system tray (notification area) are hidden behind an up...

Windows Security App Not Opening as Administrator: Fixes
When you try to open the Windows Security app and it fails to launch, often with no error message...

Why Your Python Virtual Environment Isn't Activating
You created a virtual environment but when you run the activation command, nothing happens or you...


    Issue queue
Sitemap
VS Code Cannot Save File – Permission Fix
Fix Windows Update Error 0x80070002 on Windows 11
Docker Container Exits: Permission Denied Fix
How to Fix DNS Probe Finished NXDOMAIN on Windows 10
Troubleshooting ERR_NAME_NOT_RESOLVED on Windows 10
DNS Probe Finished NXDOMAIN Fix Guide
How to Unfreeze Windows 11 Installation Assistant
DNS Probe Finished NXDOMAIN: Troubleshooting Checklist
VS Code Terminal Won't Open PowerShell Fix
Resolving Python UnicodeDecodeError When Opening Files
Cloudflare 522 Error After Server Migration: Fixes That Work
Fix Docker Volume Permission Denied for Non-Root User
Desk note

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