Secured ST device detected

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The J-Link DLL supports auto-detecting of write / read protected STM32 devices. In case of an active protection has been detected, the DLL will show up a dialog which gives customers the opportunity to unlock the selected device. This dialog can be suppressed by checking the "Do not show this message again" check box. The selection will be saved in the registry path below

HKEY_CURRENT_USER -> Software -> SEGGER -> J-Link -> "DontShowAgainUnlockSTM". 

To re-enable the message box after suppressing it, can change the registry key "DontShowAgainUnlockSTM" from 1 to 0.