Custom menu deletes itself

Not sure it will help, but here is sort of what you are talking about:
http://core.trac.wordpress.org/ticket/14134

Try adding:

suhosin.post.max_vars = 5000
suhosin.request.max_vars = 5000

to your php.ini

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)