The SHFX20 error is solvable in 99% of cases with DXVK + ZolikaPatch + shader cache clearing.
Sometimes SHFX20 triggers if the game misidentifies your modern GPU's memory. In Steam, right-click the game > > General . Gta 4 Fatal Error Shfx20
Depending on whether you are using a modded or vanilla version of the game, several strategies can resolve the issue: The SHFX20 error is solvable in 99% of