Error 1721: There is a problem with this Windows Installer Package

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Applies to:
Platform(s):
Windows XP (SP1 SP2), Vista
JRE version(s):
1.5.0, 6.0


Description:
While attempting to install the Java 2 Runtime Environment, Standard Edition (JRE), 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:
We are still investigating the root cause of this issue.

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  1. admin
    March 20th, 2009 at 10:28 | #1

    1. Disable/Configure any anti-spyware or anti-virus software on your system during installation process. For example: Spybot Search and Destroy Program or Norton Anti-Virus
    2. Check to see if any spyware or adware is installed on your system blocking the completion of install process. For detailed instructions, visit:
    Adware_Spyware faq
    3. Check to see if you find any unwanted entry in Add/Remove Programs or Internet Explorer – Add/On’s section (Tools – Internet Options – Programs -> Manage Add On’s). If you found one, remove/disable this entry.
    4. On Windows Vista, disable UAC (User Access Control) feature for your account and download/reinstall JRE again from:
    Windows Offline JRE Download

    Steps to disable UAC (For Vista Users):

    1. Click Start, and then click Control Panel.
    2. In Control Panel, click User Accounts.
    3. In the User Accounts window, click User Accounts.
    4. In the User Accounts tasks window, click Turn User Account Control on or off.
    5. If UAC is currently configured in Admin Approval Mode, the User Account Control message appears. Click Continue.
    6. Clear the Use User Account Control (UAC) to help protect your computer check box, and then click OK.
    7. Click Restart Now to apply the change right away, or click Restart Later and close the User Accounts tasks window.

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