Add iNumHWThreads=2 beneath it, then Save the change.Change the bUseThreadedAI=0 into bUseThreadedAI=1.In the LOCAL FILES tab, click BROWSE LOCAL FILES.Right-click on the Fallout 3 and click Properties. If you follow the guide to install the game correctly, you can edit the configuration file to solve the crashing problem. Note: If using dual monitors, disable your second one from your Windows display settings.Įnsure that the resolution of the game matches that of your display monitors. Relaunch the game and check the crash will appear or not.This method can let you play without crashes for hours. Play the game in Windowed mode when you meet crashes. Sometimes, game crashing can be easily solved by changing the game’s display options. Change compatibility and run Fallout 3 as administrator.You don’t have to try them all just work your way down the list until you find the one that works for you. There’re 5 fixes that have helped many gamers solve their crash problem. Here are a few solutions that can help you get rid of this crashing problem. Although Fallout 3 can be installed and played on Windows 10 (read this article to learn how), you may meet crashing problem now and then at any moment.