1 After you click the Uninstall registry key, click Export Registry File on the Registry menu. 2  In the Export Registry File dialog box, click Desktop in the Save in box, type uninstall in the File name box, and then click Save. 3  Each key under Uninstall represents a program that appears in Add/Remove Programs.he Add/Remove programs tool lists all of the Windows-compatible programs that have an uninstall program or feature. You may need to manually remove the program from the Add/Remove Programs list if you uninstall a program and the registry key that is used to display the program name is not removed correctly: 322756.