unable to save game - error sign comes up

System Information
------------------
Time of this report: 10/10/2012, 21:59:43
Machine name: VIVIEN-PC
Operating System: Windows 7 Home Premium 32-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120830-0333)
Language: English (Regional Setting: English)
System Manufacturer: MEDIONPC
System Model: MS-7658
BIOS: Default System BIOS
Processor: Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz (4 CPUs), ~3.1GHz
Memory: 4096MB RAM
Available OS Memory: 3064MB RAM
Page File: 1705MB used, 4418MB 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: 6.01.7601.17514 32bit Unicode

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

---------------
Display Devices
---------------
Card name: NVIDIA GeForce 310
Manufacturer: NVIDIA
Chip type: GeForce 310
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_0A66&SUBSYS_10021019&REV_A2
Display Memory: 1750 MB
Dedicated Memory: 474 MB
Shared Memory: 1275 MB
Current Mode: 1600 x 900 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: 2036
Monitor Id: AOC2036
Native Mode: 1600 x 900(p) (60.000Hz)
Output Type: HD15
Driver Name: nvd3dum.dll,nvwgf2um.dll,nvwgf2um.dll
Driver File Version: 8.17.0011.9778 (English)
Driver Version: 8.17.11.9778
DDI Version: 10.1
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 5/5/2010 07:14:38, 9399912 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B71E3E-4926-11CF-9B55-09301CC2C535}
Vendor ID: 0x10DE
Device ID: 0x0A66
SubSys ID: 0x10021019
Revision ID: 0x00A2
Driver Strong Name: oem5.inf:NVIDIA_SetA_Devices.NTx86.6.1:Section013:8.17.11.9778😛ci\ven_10de&dev_0a66&subsys_10021019