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The InstallShield error code 1722 has become a nuisance to many Windows users today. The Windows Installer (MSI) throws up this error when installing programs on your Windows 10 computer. Most people say that after clicking OK on the error message, the installation process fails, forcing them to retry. Have you been experiencing the same issue on your PC? Worry no more because this article will give you the answers you need. In today’s tutorial, we will show you the complete steps to fix the error 1722 in Windows 10.

Why Does the InstallShield Error 1722 Occur?

The error 1727 displays the following message on your computer screen:

“Error 1722. There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor.”

However, you may also face other variations of this error, such as:

  • Error 1722 – Windows Installer Service couldn’t be started.
  • Error 1722: There is a problem with this Windows Installer package. A program run as part of this package did not finish as expected.
  • MSI Error 1722: There is a problem with the Windows Installer Package during installation/uninstallation.
  • Error 1722 – Could not start the Windows Installer service on Local Computer.
  • Error 5: Access is denied.
  • Error 1722 – The Windows Installer Service could not be accessed.

The InstallShield error code 1722 may occur due to any of these reasons:

  • Your antivirus caused some damage during a recent malware removal operation.
  • An incomplete program installation has occurred.
  • There are invalid entries in your registry.
  • Crucial system files, such as .sys files, .ocx files, and .dll files, are missing or corrupt.
  • The Windows Installer service is disabled.

Listed above are the primary causes of the error 1727, but it might also appear if a corrupted MSI package you recently removed has left behind some problematic files.

How to Fix the InstallShield Error Code 1722 While Installing the MSI Program

Here are some great workarounds that are highly recommended by most Windows users who managed to fix the InstallShield error 1722 on their PCs. Apply these tactics in no particular order until the error disappears.

Method 1: Use the Program Install and Uninstall Troubleshooter

The Program Install and Uninstall troubleshooter allows you to detect sensitive software-related issues, including corrupted registry keys, that may be causing the error and automatically fix them. Therefore, if you can’t uninstall an app through the Control Panel, this tool could help remove it. Download the troubleshooter from the Microsoft website and then follow the instructions below to use it:

  1. Open the downloaded file and then click on the Advanced link.
  2. Select “Apply repairs automatically”.
  3. Choose Next when the Program Install and Uninstall troubleshooter window appears.
  4. Select Installing.
  5. Click on the affected program. Choose Not Listed if it’s not on the list.
  6. The troubleshooter will indicate the cause of your issue and present some possible fixes. If you see the “Troubleshooting couldn’t identify the problem” message, click on “Close the troubleshooter” and then proceed to the next solution below.

Method 2: Use a Third-Party Uninstaller

If you want to uninstall a program without leaving any leftover files, you should consider using a third-party software uninstaller. Although uninstalling programs via the Settings application is much easier, it might not get rid of all the files. Auslogics BoostSpeed is an effective PC optimizing program that can help you clean up your system, and it has a good uninstaller in its arsenal, among many other tools. You can use it to get rid of stubborn apps that cannot be uninstalled using the normal method.

Method 3: Check If the Windows Installer Service Is Enabled

The Windows Installer service is responsible for removing or modifying applications, storing installation information, and many more functions. If this service is disabled or faulty, you are likely to face the InstallShield error code 1722.

Use this procedure to check if the Windows Installer service is enabled on your device:

  1. Press the Windows logo key + R shortcut to launch the Run dialog box.
  2. Type in “msc” (no quotes) and hit the Enter key.
  3. When the Services window appears, scroll down the list to find Windows Installer and double-click on it.
  4. Click on the Startup type drop-down arrow and choose Automatic.
  5. Beside Service status, check if the service is running or stopped. If it’s stopped, then click the Start button to enable it.
  6. Click Apply and then click OK.
  7. Close the Services window.
  8. Restart the PC and then check if your issue has been resolved.

Method 4: Reregister the Windows Installer Service

Some users report that reregistering the Windows Installer service enabled them to remove the InstallShield error code 1722 from their devices. You could also try this fix and see if it’ll work for you by following these steps:

  1. Press the Windows logo key + S keyboard combination to open the Windows search bar.
  2. Type in “cmd” (without quotes) and then select Run as administrator on the right menu pane.
  3. Choose Yes in the User Account Control (UAC) window.
  4. When the Command Prompt opens, type in “msiexec /unreg” (no quotes) and then hit Enter. This will temporarily unregister the Windows Installer service.
  5. Wait for the command to be processed. Then type “msiexec /regserver” (without quotes) and press Enter to re-register the service.
  6. Once the process completes, restart your computer and then check if the InstallShield error 1722 will appear.

If the problem reoccurs, then move down to the next fix.

Method 5: Scan Your PC for Malware

Since virus infections can be the primary cause of the InstallShield error 1722 in Windows 10, you should also consider scanning your PC for malware. We recommend using a high-quality malware removal tool such as Auslogics Anti-Malware. This program is easy to use, thoroughly scans your PC for evasive viruses and removes them, and does not conflict with other antivirus applications.

Conclusion

We hope this post has helped you understand how to resolve the error 1722 in Windows 10. If the InstallShield error 1722 is still appearing on your device even after applying the above solutions, then comment down below, and we will be happy to help.