Activation link for registration does not work

[mulosmani]

Hi,im using latest VM 2.0.8e and J2.5.6 and i have problems with activation link when a user register.i have searched the forum and tryed anything but nothing can help on this problem. I saw that this problem came only if i use Firefox.When i click on the link it redirect me to the home page and the user is not activated,but if i use another browser all its ok. Can anyone help me?

[artemiy]

Same story with me, but for Opera only.

Can someone explain what is going on?