
T = remove all info for given product code The “cryptic” hexadecimal number to the left, is the “product code” for the installed application, this case it is HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

Windows stores all installed products (applications, programs) in this registry hive: Here is an alternative to repair a damaged installer configuration for a certain product.įirst, you have to identify the installed product in the Windows registry. In this blog, I want to show you how you can repair damaged configuration entries, if for example, a newer version of SAP MMC cannot be installed and the existing, old installation cannot be uninstalled.įor Windows Server 2008 R2 or higher, Microsoft provided a tool to fix this automatically:įor Windows Server 2008, this tool doesn’t work. You see them if you open Windows Control Panel → Programs → Programs and Features:


SAP MMC, SAP GUI and other SAP applications install themselves using the MSI installer. Sometimes, you cannot install newer software on Windows, if an older version is already installed and the configuration is somehow damaged.
