“We are aware that a small number of fans are having problems running GTA IV on their PCs and we would like to assure them we are working to help solve these as quickly as possible."By small they mean everyone and by local technical support they mean someone in India who can't understand you. Way to go Rockstar.
“We would ask anyone that is encountering difficulties to contact their local technical support helpline for advice and recommendations. These telephone numbers can be found in the game’s manual."
“There is also a regularly updated technical support page available on the Rockstar Games website where there are many useful FAQs, and information on how to resolve some common problems being encountered.”