
Fix 'File Locked by Unknown Process' in Command Prompt
You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

You open Outlook and see the message: "Outlook service unavailable. Cannot start Microsoft Outloo...

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

You may see a notification that Windows Search indexing couldn't start due to an authentication f...

When you see psql: FATAL: password authentication failed for user "username", it usu...

You might see a Windows activation error saying the license file is locked or can't be written. T...