the time variation of freezeswere spuratic at first but now it seems to freeze at 5 mins everytime if anyone can he;p me figure out how to fix this, thank you.

system info:OS Name Microsoft Windows 7 Home Premium
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name ZOZO-HP
System Manufacturer Hewlett-Packard
System Model h8-1020
System Type x64-based PC
Processor Intel® Core™ i7-2600S CPU @ 2.80GHz, 2801 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date AMI 7.03, 3/29/2011
SMBIOS Version 2.6
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "6.1.7601.17514"
User Name zozo-HP\zozo
Time Zone Pacific Daylight Time
Installed Physical Memory (RAM) 8.00 GB
Total Physical Memory 7.98 GB
Available Physical Memory 6.70 GB
Total Virtual Memory 16.0 GB
Available Virtual Memory 14.0 GB
Page File Space 7.98 GB
Page File C:\pagefile.sys
I/O Port 0x00000000-0x0000000F Direct memory access controller
I/O Port 0x00000000-0x0000000F PCI bus

I/O Port 0x000003C0-0x000003DF PCI standard PCI-to-PCI bridge
I/O Port 0x000003C0-0x000003DF AMD Radeon HD 6570

I/O Port 0x0000E000-0x0000EFFF PCI standard PCI-to-PCI bridge
I/O Port 0x0000E000-0x0000EFFF AMD Radeon HD 6570

IRQ 16 Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 6 - 1C1A
IRQ 16 PCI standard PCI-to-PCI bridge
IRQ 16 Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 2 - 1C12
IRQ 16 Intel® 6 Series/C200 Series Chipset Family USB Enhanced Host Controller - 1C2D
IRQ 16 Intel® Management Engine Interface

Memory Address 0xD0000000-0xD0003FFF Realtek PCIe GBE Family Controller
Memory Address 0xD0000000-0xD0003FFF Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 5 - 1C18

IRQ 17 Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 1 - 1C10
IRQ 17 High Definition Audio Controller
IRQ 17 Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 5 - 1C18

IRQ 19 Intel® Desktop/Workstation/Server Express Chipset SATA AHCI Controller
IRQ 19 Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 4 - 1C16

Memory Address 0xA0000-0xBFFFF PCI standard PCI-to-PCI bridge
Memory Address 0xA0000-0xBFFFF PCI bus
Memory Address 0xA0000-0xBFFFF AMD Radeon HD 6570

Memory Address 0xC0000000-0xCFFFFFFF PCI standard PCI-to-PCI bridge
Memory Address 0xC0000000-0xCFFFFFFF PCI bus
Memory Address 0xC0000000-0xCFFFFFFF AMD Radeon HD 6570

I/O Port 0x000003B0-0x000003BB PCI standard PCI-to-PCI bridge
I/O Port 0x000003B0-0x000003BB AMD Radeon HD 6570
Name AMD High Definition Audio Device
Manufacturer Advanced Micro Devices
Status OK
PNP Device ID HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\5&23FBFD69&0&0001
Driver c:\windows\system32\drivers\atihdw76.sys (7.12.0.7700, 112.52 KB (115,216 bytes), 5/17/2011 12:07 AM)

Name Realtek High Definition Audio
Manufacturer Realtek
Status OK
PNP Device ID HDAUDIO\FUNC_01&VEN_10EC&DEV_0662&SUBSYS_103C2AC2&REV_1001\4&5A2DC59&0&0001
Driver c:\windows\system32\drivers\rtkvhd64.sys (6.0.1.6251, 2.45 MB (2,565,736 bytes), 5/17/2011 12:07 AM)
Name AMD Radeon HD 6570
PNP Device ID PCI\VEN_1002&DEV_6759&SUBSYS_909E1B0A&REV_00\4&2D993521&0&0008
Adapter Type ATI display adapter (0x6759), ATI Technologies Inc. compatible
Adapter Description AMD Radeon HD 6570
Adapter RAM 1.00 GB (1,073,741,824 bytes)
Installed Drivers aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Driver Version 8.811.4.0
INF File oem14.inf (ati2mtag_NI section)
Color Planes Not Available
Color Table Entries 4294967296
Resolution 1920 x 1080 x 60 hertz
Bits/Pixel 32
Memory Address 0xC0000000-0xCFFFFFFF
Memory Address 0xFE620000-0xFE63FFFF
I/O Port 0x0000E000-0x0000EFFF
IRQ Channel IRQ 4294967292
I/O Port 0x000003B0-0x000003BB
I/O Port 0x000003C0-0x000003DF
Memory Address 0xA0000-0xBFFFF
Driver c:\windows\system32\drivers\atikmpag.sys (8.14.1.6178, 287.00 KB (293,888 bytes), 5/17/2011 12:07 AM)



Memory Address 0xFE500000-0xFE5FFFFF Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 4 - 1C16
Memory Address 0xFE500000-0xFE5FFFFF 802.11n Wireless LAN Card

I/O Port 0x0000D000-0x0000D0FF Realtek PCIe GBE Family Controller
I/O Port 0x0000D000-0x0000D0FF Intel® 6 Series/C200 Series Chipset Family PCI Express Root Port 5 - 1C18

Description Disk drive
Manufacturer (Standard disk drives)
Model Hitachi HDS721010CLA332
Bytes/Sector 512
Media Loaded Yes
Media Type Fixed hard disk
Partitions 3
SCSI Bus 0
SCSI Logical Unit 0
SCSI Port 0
SCSI Target ID 0
Sectors/Track 63
Size 931.51 GB (1,000,202,273,280 bytes)
Total Cylinders 121,601
Total Sectors 1,953,520,065
Total Tracks 31,008,255
Tracks/Cylinder 255
Partition Disk #0, Partition #0
Partition Size 100.00 MB (104,857,600 bytes)
Partition Starting Offset 1,048,576 bytes
Partition Disk #0, Partition #1
Partition Size 920.17 GB (988,022,833,152 bytes)
Partition Starting Offset 105,906,176 bytes
Partition Disk #0, Partition #2
Partition Size 11.25 GB (12,074,352,640 bytes)
Partition Starting Offset 988,128,739,328 bytes

Description Disk drive
Manufacturer (Standard disk drives)
Model Generic- Compact Flash USB Device
Bytes/Sector Not Available
Media Loaded Yes
Media Type Not Available
Partitions 0
SCSI Bus Not Available
SCSI Logical Unit Not Available
SCSI Port Not Available
SCSI Target ID Not Available
Sectors/Track Not Available
Size Not Available
Total Cylinders Not Available
Total Sectors Not Available
Total Tracks Not Available
Tracks/Cylinder Not Available

Description Disk drive
Manufacturer (Standard disk drives)
Model Generic- MS/MS-Pro USB Device
Bytes/Sector Not Available
Media Loaded Yes
Media Type Not Available
Partitions 0
SCSI Bus Not Available
SCSI Logical Unit Not Available
SCSI Port Not Available
SCSI Target ID Not Available
Sectors/Track Not Available
Size Not Available
Total Cylinders Not Available
Total Sectors Not Available
Total Tracks Not Available
Tracks/Cylinder Not Available

Description Disk drive
Manufacturer (Standard disk drives)
Model Generic- SD/MMC USB Device
Bytes/Sector Not Available
Media Loaded Yes
Media Type Not Available
Partitions 0
SCSI Bus Not Available
SCSI Logical Unit Not Available
SCSI Port Not Available
SCSI Target ID Not Available
Sectors/Track Not Available
Size Not Available
Total Cylinders Not Available
Total Sectors Not Available
Total Tracks Not Available
Tracks/Cylinder Not Available

Description Disk drive
Manufacturer (Standard disk drives)
Model Generic- SM/xD-Picture USB Device
Bytes/Sector Not Available
Media Loaded Yes
Media Type Not Available
Partitions 0
SCSI Bus Not Available
SCSI Logical Unit Not Available
SCSI Port Not Available
SCSI Target ID Not Available
Sectors/Track Not Available
Size Not Available
Total Cylinders Not Available
Total Sectors Not Available
Total Tracks Not Available
Tracks/Cylinder Not Available

Description Disk drive
Manufacturer (Standard disk drives)
Model HP Officejet Pro 85 USB Device
Bytes/Sector 512
Media Loaded Yes
Media Type Removable media
Partitions 1
SCSI Bus Not Available
SCSI Logical Unit Not Available
SCSI Port Not Available
SCSI Target ID Not Available
Sectors/Track 63
Size 964.84 MB (1,011,709,440 bytes)
Total Cylinders 123
Total Sectors 1,975,995
Total Tracks 31,365
Tracks/Cylinder 255
Partition Disk #1, Partition #0
Partition Size 968.50 MB (1,015,549,440 bytes)
Partition Starting Offset 127,488 bytes

if this info helps at all to fix the problem please tell me

Did you try the quadcore fix?
Open up the .ini file located in My Documents>My Games>Fallout 3. *Do not alter the one in the actual game directory labeled Fallout_Default_ini*
In the FALLOUT.ini find the line

bUseThreadedAI=0
change the 0 to a 1

then below it add the line

iNumHWThreads=2