Checklists for software errors, setup, and tool workflows.

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Fix 502 Bad Gateway in Windows Terminal Proxy Config

If you see a 502 Bad Gateway error in Windows Terminal, it usually means your proxy ...

Fix Windows Activation DNS Not Resolving Server Name

When Windows fails to activate, the error often points to DNS problems — specifically, the server...

Fix Windows Defender Permission Denied When Scanning a Folder

You try to scan a folder with Windows Defender and see 'Permission Denied' or 'Access Denied'. Th...

How to Fix Windows Update Error 404 Not Found

You see error 404 when checking for updates in Windows Update. This usually means the update serv...

Fix 'Windows Update Command Not Found' in PowerShell

You open PowerShell, type a Windows Update command like Get-WUInstall or wuauc...

How to Fix Microsoft Store 502 Bad Gateway on Windows 11
If you see a '502 Bad Gateway' error when opening Microsoft Store on Windows 11, the store can't ...