(tokens.dat) 3.Įrror 0 xc 004 d 302 during Windows activation. Changes in the default permissions of the 'C:ProgramDataMicrosoftCryptoRSAMachineKeys'. Symptoms: On already activated KMS client a Windows Activation window comes up with the error An error has occurred: Code: 0xC004D302 Description: The Security processor reported that the trusted data store was rearmed.