How to set relative path for winrunner scripts which are added to Quality Center


I am trying to execute scripts from Quality center 9.2, which are updated to WinRunner 9.2.
The problem is how can we set the default folder to quality center folders.
I tried selecting from Tools > General Options.
Select Folder in General Options dialog, and i tried to select the quality center path from Search Path for called test field, when i select browse button it is not showing quality center connection.

Please help me out