Welcome to TPG Community!
Thank you for bringing this matter to us and we are sorry as well for the inconvenience. We'd like to help in resolving this matter.
May we know if you are using Username or Account number to login to TPG My Account? If you've tried forget password, password recovery will be sent to the registered Email address on the account.
You may also check this link for more details about :
TPG My Account:
Let us know how it goes, thanks.