I am trying to run Oracle Express Edition on Windows 7 and getting the following error.
C:\oraclexe\app\oracle\product\1O.2.O\server\BIN>net start OracleXETNSListener
System error 5 has occurred.
Access is denied.
C:\oraclexe\app\oracle\product\1O.2.O\server\BIN>net start OracleServiceXE
System error 5 has occurred.
Access is denied.
C :\oraclexe\app\oracle\product\1O. 2 .O\server\BIN>_
How I can fix this?

Thanks.