Ccleaner will not let me regester.

After downloading the ccleaner and putting the Actervation code in the box, I keep getting an error message saying that the code is invalid.

I have tried puting in the code and i know for a fact it is the correct code that was sent to me.

Please help.

use this link to get the key resent to your email; https://www.piriform.com/support/license-lookup

or a support ticket can be raised from here; <a href="https://piriform.zendesk.com/hc/en-us/requests/new" rel="external nofollow">https://piriform.zendesk.com/hc/en-us/requests/new</a>