Unable to install application with Oracle 9i access dll in clinet machines

Hi,

I built a small application which gets input from user and update to Oracle remoter server (Oracle 9i).  I included Oracle.DataAccess.dll in my project's reference. Now, I am able to build it successfully and install in my machine (same as the development system).

But when I install the same program in other machines and <g class="gr_ gr_21 gr-alert gr_spell ContextualSpelling ins-del multiReplace" data-gr-id="21" id="21">lauch</g>, following error message is thrown

"Unable to loadDLL 'OraOps9.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)"

Any possible resolutions?

Thanks,

Sabari