This will take care of the SandBox mode [registry key] for Windows XP and Access 2003 [once you have the latest version of Jet]...
Code:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Jet\4.0\Engines]
"SystemDB"="system.mdb"
"CompactByPKey"=dword:00000001
"PrevFormatCompactWithUNICODECompression"=dword:00000001
"SandBoxMode"=dword:00000002