This ( patch / installation ) package could not be opened. Verify that the ( patch / installation ) package exists and that you can access it, or
contact the application vendor to verify that this is a valid Windows Installer ( patch / installer ) package.
Verify if the following Reg Values are set to 0;
if they are not 0, set them to 0.
Currently our installer requires 8.3 file system support. If this support has been disabled by a policy or in the registry, this can cause the installers to fail.