Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Docker Network Missing After Reboot

After a system reboot, you may find that a Docker network you created is no longer listed when yo...

Fix PowerShell Execution Policy Restricted in VS Code

When you try to run a PowerShell script in the Visual Studio Code integrated terminal and see an ...

Nginx Redirect Loop Not Working: Causes and Fixes

You've set up a redirect in Nginx, but instead of landing on the intended URL, the browser sh...

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix VSCode Terminal Error spawn ENOENT

When you open the integrated terminal in Visual Studio Code and see the error spawn ENOENT<...


    Issue queue
Sitemap
Resolve NET::ERR_CERT_AUTHORITY_INVALID in Chrome
Python Open File Encoding Error: Quick Fix
Bluetooth Not Working After Windows 11 Update: Fix
Windows 11 Bluetooth Troubleshooting: 10 Fixes to Try
Python Open File Encoding Error: Quick Fix
Fixing Edge Sync Error 0x80072efd on Windows
How to Fix Windows Search Index Permission Denied
How to Fix Missing Taskbar Icons in the System Tray
Python UnicodeDecodeError: 'charmap' Codec Can't Decode Byte
How to Rebuild Search Index After Windows Upgrade
All Websites Show Secure Connection Failed in Firefox: Solutions
Fix 0x80070002 Error by Resetting Windows Update Components
Desk note

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