Error 1721 Install
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install to complete could not be run.' during installation/uninstallation Modified on: Fri, 15 May, 2015 at 11:31 AM PROBLEM The https://support.threattracksecurity.com/support/solutions/articles/1000070957-msi-error-1721-a-program-required-for-this-install-to-complete-could-not-be-run-during-installati following error is encountered either during installation, in the Product's Installation Log file, or in Window's Event Logs: "Error 1721: There is a problem with this Windows http://www.personalcomputerfixes.com/general-errors/how-to-fix-installer-error-1721/ Installer package. A script required for this install to complete could not be run. Contact your support personnel or package vendor." Product Installation Logs can be error 1721 located: VIPRE Home: %Temp%\VIPREInstall.log (or VIPREPremiumInstall.log) VIPRE Business: C:\ProgramData\VIPRE Business Agent\logs\Agent-MSI.csv (Other OS/Version Locations) VIPRE Email Security: %Temp%\MSI*.log ENVIRONMENT VIPRE Business VIPRE Business Premium All Supported Environments SOLUTION This Error indicates trouble with the Windows Installer's registration status inside the Operating System. The Windows Installer program must be re-registered for functionality: Click Start, click error 1721 windows Run, type MSIEXEC /UNREGISTER, and then click OK. Even if you do this correctly, it may look like nothing occurs. Click Start, click Run, type MSIEXEC /REGSERVER, and then click OK. Even if you do this correctly, it may look like nothing occurs, or you may briefly see an hourglass. Try the installation once more CAUSE In some instances, the Windows Installer can become unregistered and needs to be re-registered for installations to function Did you find it helpful? Yes No Can you please tell us how we can improve this article? Related Articles MSI Error 1402: 'Could not open key' during Vipre product installation/upgrade MSI Error 1316: 'A Network Error has Occurred' during VIPRE Business Agent installation MSI Error 1618: 'Another installation is already in progress' during installation/uninstallation MSI Error 1606: 'Could Not Access Network Location' during installation MSI Error 1722: 'There is a problem with the Windows Installer Package' during installation/uninstallation MSI Error 1923: 'Service VIPRE
program, and is caused when Windows Installer is either corrupt, damaged or has some problem that prevents it from installing the program you want. If you receive this error you will not be able to install your program due to a miscellaneous problem with Windows Installer. What Causes Runtime Error 1721? The error will appear as: 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 personal or package vendor. Unfortunately, there is no set reason why this error will arise. It could be that: you need to register and unregister Windows Installer; Windows Installer may contain corrupt / damaged files; a newer version of Windows Installer is needed or that the registry needs to be cleaned out with a registry cleaner. In order to resolve the error, you need to cover as many bases as possible, which can be done below: How To Fix Runtime Error 1721 Step 1 - Unregister and Re-Register Installer This step will essentially remove any identities to the installer present on the system and then re-register them. This acts almost like a reinstall of the Installer which may be causing the damage. To do this: Restart your PC and just after the BIOS message, press F8 Now, there should be a list of options. Use the arrow keys to navigate to Safe Mode. Log in as an admin Click Start > Run > Type "cmd" and press enter. When the command prompt opens, type "msiexec u/unregister" and press enter. In the command prompt again, type "msiexec /register" Type exit to quit command prompt, or click the X in the top right. Click Start > Control Panel Click on "Add/Remove Programs" Locate the program you wish to uninstall and attempt to do so From this you should be able to uninstall it. However, if it fails again due to the same error, it could well be that you have corrupt files in your Windows Installer that need flushing out. Step 2 - Use Windows Installer Cleanup Utility This program is designed to remove any damaged files that may be causing conflict on your system. This program can be used to deal with Windows Installer, as this may contain these corrupt files. The Cleanup Utility will repair the files in question which will improve the performance and can eradicate error 1721. You can find