I tried to install Direct x9c and it says that it "Direct X setup has determined that a newer or equivalent version of Direct X has been installed already. No installation is necessary"
As for the WinEQ ill give that a shot
EDIT: I just tried WinEQ and it didnt reset the gamma its kinda annoying since i know no other way than restarting to fix it.
and here is an example of the text
http://img11.imageshack.us/f/98082414.png/