When Grand Theft Auto IV to Steam after a brief absence due to key generation issues, the game was released in the Complete Edition along with all its expansions. At that time, users noticed that several songs had been removed from the project. In a recent update, Rockstar Games restored the missing tracks; however, this simultaneously introduced serious bugs into the game.

As reported by the resource citing the original source, many users who installed the patch experienced corrupt saved data files. They were unable to return to their session, prompting them to voice complaints on the Steam forum. Besides the progress file issues, missions in Grand Theft Auto IV ceased to function correctly after the cutscene, and loading errors began to occur.

Rockstar Games took notice of the widespread user complaints and rolled back the update. The functionality of the project was restored, but along with the removal of the patch, the added tracks related to content from the expansion . It is likely that the developers will fix the update problems and release it again soon.
To recap, GTA IV was released on PC, PS4, and Xbox 360 in 2008. The game has 53,272 reviews, 67% of which are positive. Many negative reviews are not related to the quality of the project but concern the necessity to install the Rockstar Games Launcher and poor technical execution. These issues arose after the return of GTA IV to the Valve platform.
Source: 3dnews.ru
