finished wipping out all the fiends in vault 3, went back to fort mc. to report to the col shu. after that saved the game. came back to it a few hours later, but now none of the saves past half way through vault 3 will work.. this is terrible.. please help. Thanks in advance. SkyRat.

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System Information
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Time of this report: 10/28/2010, 00:47:55
Machine name: P6X58
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_gdr.100618-1621)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: BIOS Date: 11/25/09 09:39:14 Ver: 08.00.15
Processor: Intel® Core™ i7 CPU 975 @ 3.33GHz (8 CPUs), ~3.3GHz
Memory: 6144MB RAM
Available OS Memory: 6136MB RAM
Page File: 1951MB used, 10317MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode

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DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Sound Tab 3: No problems found.
Input Tab: No problems found.

--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)

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Display Devices
---------------
Card name: ATI Radeon HD 5800 Series
Manufacturer: ATI Technologies Inc.
Chip type: ATI display adapter (0x6898)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_6898&SUBSYS_29601682&REV_00
Display Memory: 3824 MB
Dedicated Memory: 1012 MB
Shared Memory: 2811 MB
Current Mode: 2560 x 1600 (32 bit) (60Hz)
Monitor Name: Dell 3007WFP
Monitor Model: DELL 3007WFP
Monitor Id: DEL4016
Native Mode: unknown
Output Type: DVI
Driver Name: aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Driver File Version: 8.17.0010.1043 (English)
Driver Version: 8.771.0.0
DDI Version: 10.1