Sometimes uninstalling program files can be real pain especially if the installed application cannot be found on the Add/Remove Programs located at the control panel. But you can uninstall application using windows registry key. Below are the steps on how to uninstall using windows registry: Start --> Run and type regedit , click ok , and then locate the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall Look for the name of the program to be uninstalled, Click on it and on the right side of the window double click on UninstallString and copy the value . Open the command prompt and paste the value there. Then hit enter. A warning message will be displayed asking you whether you want to uninstall the application. click ok. That's all.. :) Restarting your machine. Be careful. Playing with the registry can crash your operating system!!!!!!