This error typically indicates a corrupted InstallShield or registry keys.
Take the following steps to install Installshield:
- Ensure you have enough disk space on the hard drive.
- Rename the Installshield folder (C:\Program Files (X86)\Common Files\Installshield) and attempt to reinstall.
- Delete the installer files within C:\WINDOWS\Downloaded Installations. Mouse over the files to determine which files affect the installation. The thumbnail displays the name of the program that created it.