Originally Posted by: kongxien 
hi admin, im already purchase heartranger bot, its write unlimited or something. but when i reopen heartranger ,there a limited time like before,but when i entry my license code, that said invalid card SN:enUsed. please help me
The purchased license code is binded with bot account named 'hanshanshans'.
Is it your another bot account?
If so please use that bot account.
Other common issue please read:
http://www.hearthranger....icense-code-binding.aspx