Audiodriver not instal

my computer
OS Name Microsoft Windows XP Professional
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Name PANCHAL-PIYUSH
System Manufacturer INTEL_
System Model D845GVS1
System Type X86-based PC
Processor x86 Family 15 Model 2 Stepping 9 GenuineIntel ~2399 Mhz
BIOS Version/Date Intel Corp. VA84510A.86A.0030.P10.0402160229, 2/16/2004
SMBIOS Version 2.3
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 PANCHAL-PIYUSH\Administrator
Total Physical Memory 1,280.00 MB