Thank you for your advice,
Below is the system summary of the PC:
OS Name Microsoft Windows XP Professional
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Name VAUNG
System Manufacturer SAMSUNG ELECTRONICS CO.,LTD
System Model R50/R51
System Type X86-based PC
Processor x86 Family 6 Model 13 Stepping 8 GenuineIntel ~1862 Mhz
BIOS Version/Date SAMSUNG ELECTRONICS CO.,LTD D5CA.20051102.1854.LMK, 2005-11-02
SMBIOS Version 2.31
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)"
User Name VAUNG\Public
Time Zone Pacific Daylight Time
Total Physical Memory 512.00 MB
Available Physical Memory 81.95 MB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
Page File Space 1.22 GB
Page File C:\pagefile.sys