I recently installed AVG 2011 free download and deleted spent Norton security system. My screen shakes intermittently, especially when I use Word.Also, I recently downloaded some lengthy screenplays.1 person needs an answerI do too

I recently installed AVG 2011 free download and deleted spent Norton security system. My screen shakes intermittently, especially when I use Word.Also, I recently downloaded some lengthy screenplays.try pause/exit AVG and then use word to eliminate cause. if word is steady without AVG thats the cause.