when i registered for this forum i by mistake mistyped my email address and now don't know what to do as can't change it?
Please can someone help me out with this.

Please avoid sending multiple message and creating multiple support tickets with the same question.
It will not speed up the response, but may add more confusion for you.
Instead, please follow up on the original ticket.

Not sure what you are talking about but have issue which trying to resolve and wanted fastest response.

If you don't get responses in your ticket, that means you are probably blocking them on your side.
Please check your junk folder or adjust your spam filters.

If still don't see it, please share the issue here, but not in multiple places at the same time.