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Articolo 2688

Invalid MachineGuid

An invalid MachineGuid registry value has been detected. Follow these steps to fix the problem:

  1. Open regedit.exe
  2. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography registry branch.
  3. Double click the MachineGuid
  4. If there are any curly brackets in the value remove them. For example:
    Wrong: {F5C2C749-D98B-4B28-B70A-1EF9526B78DE}
    Correct: F5C2C749-D98B-4B28-B70A-1EF9526B78DE
  5. If the value is 00000000-0000-0000-0000-000000000000, a new random value needs to be set.
    To get a random GUID, open a command line (cmd.exe) and type:
    powershell -Command "(New-Guid).Guid"

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