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Security and Licensing HydraKEY (Ribbon/Toolbar/Location)
Description:
Error Registering this Machine for Subscription.
Error: <ERROR MESSAGE>
There was an issue calling the dialog to allow you to register this machine to this subscription. Or you are unable to access your registry.
Close HydraKEY.
Turn your windows User Account Control to something more permissive.
Open HydraKEY by right-click "Open As Administrator".
Select the subscription to which you wish to register from the grid and hit the "Register" button again.
If it still fails, perhaps the info contained in the error message after "Error: " will give you a hint at how to fix it.