i'm trying to adjust my game settings bu8t I can't acess the options menu because I can't acess the Launcher. my computer won't allow me to use Microsoft Downlaod for some reason so I can't downlaod visual C++ is there any way to adjust the settings without having t5o go through the launcher?

You can use the http://www.fallout3nexus.com/downloads/file.php?id=640 to adjust your settings.