When your SPIRENT TESTCENTER environment is corrupted, delete the directories in the following directory. It will reset the SPIRENT TESTCENTER environment in your PC:
It's recommended to try first uninstalling the STC application, then delete the directory mentioned below, and then just after that, install the aplication again. However, we have seen this working WITHOUT uninstalling the application, so you can give it a try just removing the folder without removing the application, if that does not work, you may consider unistall the application, remove the folder and install the application again.
Delete the directories in the following directory: