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Dongle Emulator, Backup and Recovery

QuestionWe are in need of a replacement in case our original fails. It is from on old Cado Contel Tiger CPS Dos system. The info on it is: Grainbow Centinel Pro CPS NU-30679. Can this be duplicated or are they any old working ones available?
AnswerFor DOS application there's no way to make dongle emulator since they do not use low level drivers so in each case such solution is customized. For DOS software it is required sending us the software. Sentinel CPlus dongle can be emulated rather easy so there must be no problems about it.

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Bill and SoftKey Solutions have been a godsend to our small company. Having lost our dongle once before and then having to pay full replacement cost for a new one, we were prepared when a second one was misplaced. Bill was extremely professional through the entire process and I would highly recommend him to anybody needing of dongle emulator service in the future!!!
Mark from USA