1. Try to use the installer on another Windows system to see if the error is also present. If there is an error, most likely the CD is damaged or, if you downloaded the software, likely the setup file is corrupted. Obtain a new copy of the installer by downloading it from an official source. Even if you downloaded it before, there is a chance that the download finished prematurely resulting in a corrupted file.
2. If the installer runs fine on another system, the problem may be on your system. Perform a disk cleanup on your system by going to the 'Start' menu, clicking 'Run' and typing 'cleanmgr.exe.' Choose 'Drive C:' for cleanup, and check the box to clear temporary files. Restart your computer and try to run the installer again.

3. If the installer uses the Windows Installer engine, the engine may be corrupted or outdated. Obtain the latest Windows Installer.
4. If there are still problems, download a registry cleaner such as RegCure or Registry Mechanic and scan your computer for registry errors by following the interface after you install the application. Restart your computer after the registry scan is complete and test the installer to see if the error happens again.