Norton的病毒碼問題？

Norton的病毒碼問題有分什麼"""32位元版本"""萬用版本""""16位元版本"""請問要怎麼知道自己要用哪一種呢？

20030121-009-x86(前面8碼是日期)
《可以使用此更新檔之軟體》

NAV 2000 for Win9x/NT/2000
NAV 2001 for Win95b/98/NT/2000/Me
NAV 2002 Professional Edition
NAV 2002 for Win98/Me/NT/2000/XP Home/XP Pro
NAV 2003 for Win98/Me/2000/XP Home/XP Pro
NAV 4.0 for Windows NT 3.51
NAV 7.x Corporate Edition
NAV for Gateways 2.x (WinNT/2000)
NAV for Internet Email Gateways 1.x (WinNT only)
NAV for Lotus Notes (Intel)
NAV for MS Exchange (Intel)
Norton NT Tools
Norton Utilities 2.0 for WinNT
SAV 3.0 CacheFlow Security Gateway
SAV 3.0 for Inktomi Traffic Edge
SAV 3.0 for NetApp Filer/NetCache
SAV 8.0 Corporate Edition
SAV/Filtering 3.01 for Domino
SAV/Filtering 3.02 for MS Exchange 2000
Symantec CarrierScan Server for Windows 2000 Server
Symantec CarrierScan Server for Windows NT Server 4.0
Symantec Web Security (WinNT/2000)
pcAnywhere32 7.5 and higher for WinNT

20030121-009-i32(32位元版本)
《可以使用此更新檔之軟體》

NAV 2000 for Win9x/NT/2000
NAV 2001 for Win95b/98/NT/2000/Me
NAV 2002 Professional Edition
NAV 2002 for Win98/Me/NT/2000/XP Home/XP Pro
NAV 2003 for Win98/Me/2000/XP Home/XP Pro
NAV 4.0 for Windows NT 3.51
NAV for Firewalls 1.5 or higher
NAV for Lotus Notes (Intel)
NAV for MS Exchange (Intel)
Norton SystemWorks (all versions)
Norton Utilities for Windows 95/98 (all versions)
SAV 3.0 CacheFlow Security Gateway
SAV 3.0 for Inktomi Traffic Edge
SAV 3.0 for NetApp Filer/NetCache
SAV 8.0 Corporate Edition
SAV/Filtering 3.01 for Domino
SAV/Filtering 3.02 for MS Exchange 2000
pcAnywhere32 7.5 and higher for WinNT

你打開你的Norton Antivirus並且找到"關於"或"ABOUT"裡面就有上面所列的版本了