Rockstar have patched the PC version of Grand Theft Auto IV, bringing this sandbox game to v18.104.22.168.
You can get this update from GP Downloads (32MB). Changelog is as follows;
GRAPHICS FIXES / ADDITIONS:
Added "Water Quality", "Shadow Quality" and "Reflection Resolution" sliders in graphics menu.
Added "Definition" and "VSync" toggles in graphics menu.
Nvidia 7000 series
PATCH 1 FIXES:
Direct input device support is now disabled by default and can only be enabled with the commandline: "-usedirectinput"
Logitech Dual Action
Logitech RumblePad 2
Logitech Cordless RumblePad 2
Note: Controls are unmapped, user must map controls using Manufacturer's mapping software.
Logitech G25 Racing Wheel
Logitech Wingman Formula GP Wheel
Logitech MOMO Racing
Driving Force Pro
Added Commandline "-notimefix" which will help some users who are experiencing the fast/slow gameplay issue after patch 1 was applied.
Fixed a bug that caused some users to experience endless looping audio effects after Patch 1 was applied.
Benchmark was disabling sounds after Patch 1 was applied, this is now fixed.
Unable to load game fixed - For some users, a DOS window would open and close immediately upon Game Launch, GTA IV would never launch.
Hang on Initial Game Loading Screen fixed - Some users experienced Character Art Loading screens in an endless loop.
Certain causes of the RESC10 error have been fixed (Alt-Tab, change resolution). If you experience an RESC10 error, you must restart.
Certain Instances of the "GRAND THEFT AUTO IV has encountered a problem and needs to close" error have been fixed.
Naming clips is now mandatory on Export
Legitimate players being kicked from Multiplayer matches has been fixed.
GENERAL ADDITIONS / FIXES:
Wireless 360 controllers not functioning - Triggers were full on/off, fixed.
In the Options menu accessed from the Title Screen a “Game” section has been added with the ability to turn Clip capture on/off. [/quote]