Hay un parche tomeu00!!! ^^ lo posteo en unos segundos, es que son varios cracks (para los que antes de desinstalar el juego prueben todos jeje) y el parche es 33mb, pero no, ya esta en un server, mira:
The patch promised by Rockstar Games last Saturday is now available. Start your game and connect to LIVE to trigger the download. You can also download it from our server:
Patch. The patch is 32.6MB, takes a few minutes to install, and contains a variety of fixes including the following:
A fix to the crash after legal screen that some German customers were reporting.
Numerous improvements to the video editor: Smarter naming of videos, improved rendering quality, better fx during replays.
Fix to bowling while using certain sensitive mice.
Fix for ATI 1900 shadows.
Overall savings to memory.
Graphic improvements to particle systems and mirrors.
Multiplayer character settings are preserved.
Support for DirectInput controllers.
Fuente:
http://gta4mods.com/forum/index.php?topic=304.0Aunque ya es oficial, puedes ir a google y buscar el parche también, además, estoy subiendo videos.
Si no os funciona, luego miramos que se le puede configurar, a mi al principio me molestaba mucho, ahora puedo jugar digamos "decentemente"...
Saludos.