PL/SQL Developer Initialization error Occurred

Hi dear,
Please provide me its solution. I am using PL/SQL Developer and receiving given error.
PL/SQL Developer
Initialization error
Could not initialize “C:appAdministratorproduct11.2.0dbhomeoci.dll”
Make sure you have the 32 bits Oracle Client installed.
Oracle HomeKey:
OracleHomeDir: C: appAdministratorproduct11.2.0dbhome_1
Found: oci.dll
Using: C: appAdministratorproduct11.2.0dbhome_1binoci.dll
LoadLibrary(C: appAdministratorproduct11.2.0dbhome_1binoci.dll) returned 0
OK
Thanks in advance.
