Checklists for software errors, setup, and tool workflows.

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Fix 'Java JDK Not Recognized' in Linux Bash

When you type java -version in a Linux terminal and get bash: java: command no...

Fix Microsoft Store App Not Installing Due to Dependency Conflict
When a Microsoft Store app fails to install with an error about a missing or conflicting dependen...

How to Fix Command Prompt Not Opening in Ubuntu
If you click the terminal icon or press Ctrl+Alt+T and nothing happens, you're not alo...

Fix PowerShell Assembly Cache Not Updating
You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

Fix Windows Security Login Loop and Sync Issues
You sign in to Windows, see the security settings sync message, and then get kicked back to the l...

Nginx 502 Bad Gateway: Troubleshooting Checklist
If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix 'Java JDK Not Recognized' in Linux Bash

Fix Microsoft Store App Not Installing Due to Dependency Conflict

How to Fix Command Prompt Not Opening in Ubuntu

Fix PowerShell Assembly Cache Not Updating

Fix Windows Security Login Loop and Sync Issues

Nginx 502 Bad Gateway: Troubleshooting Checklist

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