How to remove your Curse account
Although in the FAQ’s they claim there should be a removal link somewhere, we couldn’t find it.
According to Curse, there is some kind of “problem” with the link, so you have to file a ticket to have your account removed.
Go to http://curse.cursesupport.com/tickets/new and select the appropriate option (for a free account, “delete non-premium account”.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Curse using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Curse. Click here to find out how.