To bypass the Windows 9x login, add three entries in the registry under:
[HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionWinlogon]
“AutoAdminLogon” “REG_SZ” “1”
“DefaultUsername” “REG_SZ” “username”
“DefaultPassword” “REG_SZ” “password”
Source:
WinGuides