If you're having trouble with a specific error code or need to move your license to a new computer, would you like the steps for your current installation or instructions for offline activation ?
Searching for free MacDrive 10 serial numbers or "cracked" versions online is highly discouraged for several reasons: Macdrive 10 Standard Serial Number
This often happens if the license is already active on another machine. You must deactivate on the old PC before moving to a new one. If you're having trouble with a specific error