Loading Database modules..error

Im using Win2K (w/service pack 2 -- dont know if this is important), APACHE 1.3.19 and PHP4 im trying to load php_mssql70.dll but there's an error .. Unable to load dynamic library C:\PHP\extensions\php_mssql70.dll - The specified module could not be found... but i already did a tripple check on that file .. its there... i tried uncommenting pgp_pgsql.dll it works fine... but mssql drivcer wont work... what seems to be the problem..? does mssql.dll has dependencies? thanks in advance........ -- ---------------------------------------------------------------------- The information contained in this message (including any attachments) is confidential and intended solely for the attention and use of the named addressee(s). It must not be copied, distributed nor disclosed to any person. If you are not the intended recipient, please delete it from your system and notify sender immediately. Any disclosure, copying or distribution thereof or any action taken or omitted to be taken in reliance thereon is prohibited and may be unlawful. ----------------------------------------------------------------------