Can't Connect to DB

[KENNETH JANUSZ]

Oracle 9i on XP Prof.  DB is on a single PC.   When I try to do a DB connection I get this error.  Yesterday I created a second DB on my PC and was able to connect successfully to either of them.  This morning I rebooted my PC and now I cannot connect.    Any idea what the problem is?   TIA, Ken Janusz, CPIM   ---------------------------------------------   ORA-12541: TNS:no listener Details: Building Oracle HOMES List  HOME Name OraHome90 added to list.  Found multiple homes, searching each HOMEx for valid PATH  searching in SOFTWARE\ORACLE\HOME0  Oracle_Home found in SOFTWARE\ORACLE\HOME0 IS in system path!  oci.dll found