
Unlock a File Locked by System Command Prompt
You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

You see "Access Denied" when OneDrive tries to sync a file. The error can stop sync for that file...

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

When you run commands like curl, git, or npm in Windows 10...

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...