Checklists for software errors, setup, and tool workflows.

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Fix 'Permission Denied' When Running Windows Update Offline Installer

When you try to run a Windows Update offline installer (typically an .msu file) and get a 'permis...

Fix Windows Search Service Not Running

You open the Start menu or File Explorer to search for a file, and nothing happens — or you see a...

Fix 'Port Already Allocated' Error in Windows Defender on Windows 10

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Fix Command Prompt Proxy Errors on Windows 10

If you see errors like ERROR: A specified logon session does not exist or Unab...

BitLocker Service Unavailable in Windows 10: Fixes That Work
You go to turn on BitLocker, but the option is grayed out or you get an error that the service is...