I can't insert important C++ characters into my code (attached). When I
press ; or { Emacs shows an error in the minibuffer:

"Invalid function: (setq ad-return-value (ad-Orig-c-parse-state))"

Major mode is c++-mode.

Using Emacs 24.2.1.

-- 
Cheers,

Andrew Pennebaker
www.yellosoft.us