Checklists for software errors, setup, and tool workflows.

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Chrome Proxy Error Troubleshooting Checklist

You're trying to browse but Chrome shows 'ERR_PROXY_CONNECTION_FAILED' or 'Unable to connect to t...

Fix Windows Defender DNS Error Not Working

You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...

How to Fix DISM Restore Health Error 0x80073712

When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...

How to Fix 'Permission Denied' When Running PowerShell as Administrator

You right-click PowerShell and select 'Run as administrator', but instead of an elevated prompt, ...

Fix Java JDK Not Recognized in Windows 10

You've installed the Java Development Kit (JDK) on Windows 10, but when you type java -vers...

Fix Windows Defender Connection Refused via Group Policy
If you see a "connection refused" error when trying to open Windows Defender Security Center or r...