Parental Key - Version 2.06 Works with any existing USB key and USB drive Select the retrictions you want to apply to your PC Locks out computer users, Prohibits use of the internet. Select the softwares and programs that you want to be blocked. Protectyour important datas and documents from being deleted or formater. Parental Key Software v1.01 for Winwows XP. Totally automatic: you only need to insert the USB key into your PC and apply the restrictions you want.