Checklists for software errors, setup, and tool workflows.

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Fix Nginx Upstream Connection Refused in Proxy Pass

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

How to Give VS Code Permission to Save Files
If VS Code shows a permission error when you try to save a file, the problem is usually that the ...

Fix Chrome Black Screen After Enabling Hardware Acceleration
Users on Reddit frequently report a black screen in Chrome after turning on hardware acceleration...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

How to Fix Nginx Redirect Loop That Prevents Site Loading
You open your site, and the browser keeps loading until it times out or shows a redirect error. T...

Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Nginx Upstream Connection Refused in Proxy Pass

How to Give VS Code Permission to Save Files

Fix Chrome Black Screen After Enabling Hardware Acceleration

Fix Git 'index.lock' Error in VS Code

How to Fix Nginx Redirect Loop That Prevents Site Loading

Fix Explorer.exe Keeps Restarting in Windows 10

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