
Luchaire's mod fixes this, and randomly assigns height values to any NPC you encounter. The default version of FO3 features hundreds of NPCs, all of whom are somehow exactly the same height. This mod fixes that and helps the game run on newer hardware. The default version of FO3 isn't optimized for Windows 7 or above, meaning that it isn't utilizing all the memory that a 64-bit OS allows for. This utility is used to add the Large Address Aware flag to the Fallout 3. This mod by SkyRanger-1 helps the game avoid all those troublesome crashes and framerate stutters during gameplay. 3.13.2 Using Fallout New Vegas Mods for High Resolution Clutter, etc.

This is a must-have, even if you don't plan to install any other mods. In what might be the most important mod for Fallout 3, creators Ben Wah, Hairylegs and prisoner416 have managed to fix and patch almost every bug that the original retail version of FO3 suffered from. So, 64-bit processors provide a huge leap in the amount of physical and virtual memory that can be addressed.While there are dozens of mods that improve on or add new content to Fallout 3, there are also a bunch that update and improve the core mechanics of the game itself. * Fallout 3 on 64-bit platforms can address up to 2 GB, or up to 4 GB with the /LARGEADDRESSAWARE:YES linker flag.
This issue has since been addressed by microsoft via OS updates) (The remainder of 4 GB is allocated to the kernel and can result in failing driver and service configurations. Fixes for all fallout games listed below. IncreaseUserVa can have a value ranging from 2048, the default, to 3072 (which matches the amount of memory configured by the /3gb boot option on Windows XP). .net runtime files Large Address Aware / Ram Usage Performance Games for Windows Live Fake Fullscreen. * Fallout 3 with the /LARGEADDRESSAWARE:YES linker flag on 32-bit versions of Windows Vista, can address memory up to the number specified by the boot configuration data (BCD) element "IncreaseUserVa". * Fallout 3 with the /LARGEADDRESSAWARE:YES linker flag on 32-bit Windows XP with the special /3gb * boot option can address up to 3 GB, ie an extra 1GB.(This however, limits the kernel to only 1 GB which may cause some drivers and/or services to fail- but not so much a problem with XP than Vista 32bit).

* Fallout 3 (WITHOUT the 3gb switch and NOT large Address Aware) on 32-bit platforms can address up to only 2 GB. This additional virtual address space helps reduce the amount of memory fragmentation in the virtual address space of the Exchange information store process. On systems that have 1 GB or more of physical memory, these two startup switches (see below), can be used to allocate more memory to applications (3 GB) and less memory to the operating system (1 GB). Regardless of the amount of physical memory in your system, Windows uses a virtual address space of 4 GB, with 2 GB allocated to user-mode processes (for example, applications) and 2 GB allocated to kernel-mode processes (for example, the operating system and kernel-mode drivers).
