Cubase 7.53 red issue

help help help…

hello to all forum
I have this problem.
some parts of the mixer and cubase 7.53,halion 5 have become red.
can anyone help me?
I have a mac mbc 15, 2009
mountain lion 10.8.5
if I put the mixer running full screen back black graphite as in the original, but as soon as I restrict the mixer back to red. same with halion 5
hello to your photos so you can see at ll

:frowning: :frowning: :frowning: :frowning: :frowning: :frowning: :frowning: