Checklists for software errors, setup, and tool workflows.

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Force Delete a File Locked by Windows Command Prompt

You're trying to delete a file in Windows, but you get an error saying the file is open in 'comma...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

How to Configure PowerShell DNS Settings

If you need to change DNS settings on a Windows machine, PowerShell offers a quick way to do it w...

Fix Windows Store Error 0x80073cf9 Permission Denied

When you see error 0x80073cf9 in the Windows Store, it usually means the installer can't write to...

Fix OpenSSL Certificate Errors in Command Prompt

When using OpenSSL in Command Prompt (cmd), you may encounter certificate errors like unabl...

Fix Windows Security Error 0x80073b01: App Install Blocked
When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...