IT Technology: Java Error 1721 - There is a problem with this Windows Installer Package

<< Error Messages >>
While attempting to install Java, a message box with the following error appears:
Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support or package vendor

<< Cause >>
Error 1721 is an Install Shield error code which indicates that the installation process has failed.

<< Solution >>
1. Disable/Configure any anti-spyware or anti-virus software on your system during the Java installation process.
2. Check to see if any spyware or adware is installed on your system blocking the completion of install process.
3. Check to see if you find any unwanted entry in Add/Remove Programs or Internet Explorer - Add-ons section (Tools - Internet Options - Programs - Manage Add-ons). If you found one, remove/disable this entry.
4. On Windows Vista, disable UAC (User Account Control) feature for your account and download and install the offline installation package.