Cannot get support trying to resolve double charging on my account

I have written to support numerous times about double charging on my CC one for AUD$75 and another for AUD$175 and have not had the courtesy of a response. How do I get this resolved?

13 minutes ago, cnecorp said:
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		and have not had the courtesy of a response
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Checking your support ticket I can see that you contacted customer support for the first time on this matter at 23:14 Monday evening and received a response 3 hours later on Tuesday at 02:03am advising that the only purchase you made with us under that email address was a couple of months ago - and was not for either of the amounts that you mentioned.

I can see that you followed up shortly thereafter, and it looks like when you upgraded from CCleaner Professional Plus to CCleaner Premium, you did so under a different identity (and in a different currency) which would be why the old one was not automatically cancelled for you. Now that they have the necessary information, it should be a simple matter for them to cancel and refund the old Pro Plus subscription under your other email address.

While customer support has been under peak load over the past week with the annual Black Friday / Cyber Monday promotion, as a Premium customer, followups should be much faster than this, so we apologise for the delay. Although I can see that while I have been typing this, one of the team leads has been reviewing the case, so I would expect a resolution shortly.