If you are working with Windows System and encountered an error message then you don\'t need to surprise, because Windows System is very much susceptible to error messages. One of such error that people encounter very often while install any program with Windows Installer is Installer Error 1721. This error generally occurs, when Windows Installer malfunctions or when there is something wrong with it. This happens if the program files gets infected by virus or its related Windows Registry entries or keys are corrupt. Not only that, missing and corrupt administrative privileges can also lead to this Installer 1721 Error.

How to Fix Installer Error 1721?

In order to resolve Installer 1721 Error, you need to perform some steps as mentioned below.

• Fix 1 – Execute the System File Checker.
• First click on \'Start\' and then type \'cme.exe\' in the search box and click \'Ok\'.
• After that, type in scf/purgecashe in the window thus prompts and press \'Enter\'.
• You will again receive another window prompt in which you need to type in scf/scannow and press \'Enter\' again.
• Type \'Exit\' and hit \'Enter\' to close the command prompt window.
• Once you are done, restart the computer to let it take the effects.

• Fix 2 – Run Installer under administrator privileges.
• To perform this task click \'Start\' > \'Run\' and type \'cmd\' in the box and hit \'Enter\'.
• Right click on the command prompt window thus appears and then click on \'Run as Administrator\' in the right click menu.
• In the command line of “msiexec /x application.msi” (replace the word \'application\' with specific program name) to uninstall the program and press \'Enter\'.

• Fix 3 – Fix Windows Registry Issue.
• If issue is related to the Windows Registry then you need to fix it using proper registry tool.
• For that simply download efficient and powerful Windows Registry Fix tool, install it on the computer system.
• Scan and diagnose the computer using it and then click on \'Fix \' button to repair and fix Installer Error 1721 of Windows system.

So, if you have also encountered this Installer 1721 Error and want to get rid of it in no time, then just follow the steps mentioned above and get rid of Installer 1721 Error forever.