Disable Your Antivirus Program TemporarilyĪn Antivirus program will prevent your computer from malware, but sometimes it will interfere with the Fallout 4. Restart your computer and try restarting your Fallout 4 to see if the Fallout 4 stop working error is fixed. In the Launch Options window, set the location options to " –window-mode-borderless"and click OK to save the changes. In the pop-up window, navigate to the General tab and click on Set launch options. After that, all the games that you installed will be listed here, and then right-click the Fallout 4 and select Properties.
Open your Steam client, and then go to the Library tab. For that, you can launch the game in windowed mode without any borders.
It is also possible that Fallout 4 is conflicted with the video settings on your Windows PC, which leads to the Fallout 4 won’t launch issue. Start the Game in Windowed Borderless Mode Run your Fallout 4 again and see if it works for you. Then select the checkbox “ Run this program in compatibility mode” and click OK to save the change. In the Properties window, navigate to the Compatibility tab. If there is a shortcut of the Steam client, right-click it and select Properties. Now, run the game again and check if the Fallout 4 won’t start issue is fixed. Select the one you prefer and follow the on-screen prompts to update the display driver completely. Then you need to decide how do you want to search for driver software? There are 2 options: manually or automatically. Right-click the device driver and select Update Driver Software from the menu. In the Device Manager window, expand the Display adapters to see the graphic driver that you want to update. Press Win + X keys to open the context menu and select the Device Manager. Here we provide you with the detailed steps for updating display drivers.
Outdated displayer drivers are also responsible for the Fallout 4 stop working problem. If this method fails to work, please try the following fixes. Now, you can try launching the game and see if the Fallout 4 not launching issue is resolved or not. Under the Process tab, select all the Fallout 4 and Steam client, and then click the End task button at the bottom. Press the Ctrl + Shift + Esc keys at the same time to open the Task Manager window. Many players reported that they fixed the “Fallout 4 won’t launch” issue simply by restarting the game completely.