I have successfully used the image posted on the site for several installs without issues arising with the default SSL certficate. You can try redownloading the image to make sure it isn't corrupted. You can also test it on a VM with a default install and verify that the SSL certificate is OK.
Hi Ryan, in fact i succesfully installed two MEG (physycal and virtual) and failed with two other installs (physycal and virtual) but all with the same ISO image. As it never happened I didn't knew if there could be a problem with this ISO at the SSL cert generation process or if someone has had this problem before and maybe it's something that happens from time to time