Yes. When configuring the payment you will be asked to insert the username of the user that you want to gift the subscription.
You could open a support ticket with the error you are having to get help.
The first step you can do is requesting a new password and it will be sent in your e-mail. Remember to check the spam folder. If after 1 hour you didn’t received any e-mail, open a support ticket.
Some anti-virus vendors run programs in a virtual machine. If you aren`t using an anti-virus, then make sure Hyper-V is disabled.