Why have I not the permisison to edit my own profile?
I believe because of your post count. Your a new member.
/index.php?/profile/149782-wolfgange/" data-ipshover-target="https://forum.bitdefender.com/index.php?/profile/149782-wolfgange/&do=hovercard" data-mentionid="149782" rel="">@WolfgangE
This is found in the Bitdefender Forum Rules (Announcement at the top of the Forum pages):
Users will only be allowed to display a custom signature after having completed 15 posts on the forum.
Hope this helps. Have a great day.
Regards, -Phil