STALKER Installation Problem

[DCDi]

Good Day,

I have encountered error while installing my legal copy of S.T.A.L.K.E.R., please check error message in the following:

C:\Program Files\THQ\S.T.A.L.K.E.R....\gamedata.db0
An error occured while trying to copy a file:
The source file is corrupted

My System;s configuration is as follow:

Windows XP SP2
OS Name Microsoft Windows XP Professional
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Name COMPUTER1
System Manufacturer INTEL_
System Model D865GLC_
System Type X86-based PC
Processor x86 Family 15 Model 4 Stepping 1 GenuineIntel ~2992 Mhz
Processor x86 Family 15 Model 4 Stepping 1 GenuineIntel ~2992 Mhz
BIOS Version/Date Intel Corp. BF86510A.86A.0069.P21.0409290100, 9/29/2004
SMBIOS Version 2.3
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume1
Locale Hong Kong S.A.R.
Hardware Abstraction Layer Version = "5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)"
User Name COMPUTER1\123
Time Zone Eastern Daylight Time
Total Physical Memory 1,024.00 MB
Available Physical Memory 603.68 MB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
Page File Space 3.05 GB
Page File D:\pagefile.sys

Is there any solution for this problem?

Thanks