Crash: SMPA60 Remove the pack, take all vehicles out of your garage, and re-save your progress.
Textures Popping In and Out Lower your graphics settings, or remove some scripts, such as the Traffic Fix.
Can't Complete Certain Missions Remove the pack during these missions.
Progress Lost After Installation Move your saves from the original GTA 4 location to the pack's location.
Windows Vista, Windows 7, and Windows 8
Original: C:\Users\[username]\AppData\Local\Rockstar Games\GTA IV\savegames
New: C:\Users\[username]\Documents\Rockstar Games\GTA IV\savegames
Original: C:\Documents and Settings\[username]\Application Data\Local\Rockstar Games\GTA IV\savegames
New: C:\Documents and Settings\[username]\My Documents\Rockstar Games\GTA IV\savegames