I try to synchronize my firefox on my new laptop but it gives 5 minutes to enter the code, the code arrives afer more than 15 minutes.. The help syggests if it not works to use another mail address but I cannot delete the mail adress, every time I want to synchronize the existing mailadress appears with a password field and the adress cannot be changed. Can someone help me to solve this, is there an other way to synchronize?