So now that you know what causes the Ordinal 43 error, let’s get into how we can fix it so you can play Fallout 3 again. If you see this, you should promptly download it from the installation folder within the Fallout 3 file.ĭrivers-If there has been a new driver installed that may be incompatible with the game, then you will need the older drivers installed and the new ones deleted. Missing DLL File-As the error says, the xlive.dll file is missing. Additionally, there are a few other common reasons for the error such as: The most common cause is that games for Windows Live isn’t installed on your computer. What Causes The Ordinal 43 Error?Īt this point in time, there are several causes for the error, especially after you’ve updated Windows 10. This may suggest that a DLL file is missing or that there is something else going on with your PC that isn’t allowing it to access the game. 3.4 Method 4: Run In Compatibility Modeįallout3.exe- Ordinal Not Found The ordinal 43 could not be located in the dynamic link library C:\WINDOWS\SYSTEM\xlive.dll will pop up while trying to access Fallout 3.