Error 1721: There is a problem with this Windows Installer Package
This article applies to:
- Platform(s):
Windows XP (SP1 SP2), Vista
- JRE version(s):
1.5.0, 6.0
SYMPTOMS
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.
SOLUTION
- 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
- 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
- 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.
- 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):
- Click Start, and then click Control Panel.
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In Control Panel, click User Accounts.
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In the User Accounts window, click User Accounts.
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In the User Accounts tasks window, click Turn User Account Control on or off.
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If UAC is currently configured in Admin Approval Mode, the User Account Control message appears. Click Continue.
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Clear the Use User Account Control (UAC) to help protect your computer check box, and then click OK.
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Click Restart Now to apply the change right away, or click Restart Later and close the User Accounts tasks window.
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