Since its 2015 PC release, GTA V has exhibited a class of fatal errors not captured by standard exception handling. The "unrecoverable fault" message indicates a state violation from which the game engine cannot recover—typically a memory access violation, GPU device loss, or corrupted script heap. Unlike typical crashes, this error forces a full process termination.
Add these command line arguments to Rockstar Games Launcher or Steam launch options: -DX10 or -DX10_1 You’ll lose some reflections but gain stability. Since its 2015 PC release, GTA V has
Before fixing the problem, it helps to understand what triggers it. The error can stem from: Since its 2015 PC release