A script is a snippet of code. A batch file on Windows, for example. You need to know the name of the process (the program's name). Then go to task manager, right click on the errant program and select kill (first option) and voila!
As for harsh, I think that's a virus you have on your comp. Did you install a crack for Ami? If you did, check your comp for virus ASAP. Clean it. Otherwise you risk a lot of your data, personal details etc that resides on your comp.