Step 2: On the list of apps that show up, click Apple Software Update, and then click Modify. Step 1: Open the Start menu, type apps & features, and then click Open. Fortunately, a brief visit to the Apps & Features panel should help you do that. Hence, the obvious way to patch things up involves repairing it. An improperly configured instance of Apple Software Update is the most likely culprit behind the ‘Windows Installer Package’ error.
