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

Fix Chrome Certificate Error: Invalid Authority on Company Network
When Chrome displays Your connection is not private with NET::ERR_CERT_AUT...

How to Fix Limited Connectivity on Windows 11 Wi-Fi
You connect to Wi-Fi but see "Limited connectivity" or "No internet, secured." Yo...

Fix Windows 11 Installation Assistant Stuck at 99%
Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...

Fix VS Code Source Control Not Detecting Changes on Windows 11
If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...

Fix Map Network Drive Access Denied on Windows 10
You try to map a network drive in Windows 10, but get an 'Access Denied' error. This usua...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Nginx Upstream Connection Refused in Proxy Pass

Fix Chrome Certificate Error: Invalid Authority on Company Network

How to Fix Limited Connectivity on Windows 11 Wi-Fi

Fix Windows 11 Installation Assistant Stuck at 99%

Fix VS Code Source Control Not Detecting Changes on Windows 11

Fix Map Network Drive Access Denied on Windows 10

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