Oralce services problem in windows

Dear Experts,

As iam facing a problem at the time of installation of oracle 10g,when i install 3 services has to be there in services.msc but iam getting only one OracleSID102iSQL*Plus Remaining OracleServiceSID&OracleSID102TNSListener

is not available in the services.msc. Installation went fine and got the final screen oracle installation finished message.

I searched for it in Drive:\oracle\SID\102\BIN its available but its not showing in services.msc,Please suggest me to get into services.

Regards,

Naveen