There are two things that can be change, History, and default. Both changes are done in the registry with-in the registry editor (Start -> Run -> type ''regedit'').

Changing the default recording address:
1. Open the registry editor (Start -> Run -> type ''regedit'') and go to

HKEY_CURRENT_USERSoftwareMercury InteractiveQuickTest ProfessionalMicTestAddIn ManagerWebStartup SettingsURL  

1. Double click on _default and enter the desired URL. This must have an URL you can not make it blank.

Clearing history

1. Open the registry editor (Start -> Run -> type ''regedit'') and go to

KEY_CURRENT_USERSoftwareMercury InteractiveQuickTest ProfessionalMicTestAddIn ManagerWebStartup SettingsURLHistory  

.2. Under the history folder there is 5 folders labeled ''0'' to ''4''. Each of the folders has a _default.
3. Double click on _default and enter the desired URL. These can be blank.