If you are using a locker system to manage your video editing workflow, adhere to these guidelines to prevent data loss: Maintain Master Backups

: Once a project is "locked," it is encrypted and cannot be opened by standard means without the specific hardware key. Dual-Dongle System : Many solutions like Master Dongle for the creator to encrypt files and a User Dongle for the end-client to access them. Copy Protection

Are you trying to or access a locked project sent by a client ?