HomeKurzweil 3000 (K3000)Kurzweil 3000 (General)Error: 1721 during uninstallation

1.34. Error: 1721 during uninstallation


When attempting to uninstall Kurzweil 3000, an error 1721 is displayed as shown below.

Troubleshooting Steps:

This error typically relates to a corrupt installation file, which means a manual uninstall of Kurzweil 3000 will be necessary. This can be a fairly technical process. If you require assistance going through this process, please call our Kurzweil 3000 Technical Support Team. We can perform a remote desktop troubleshooting session where we can take control of the machine and go through these troubleshooting steps.

Before continuing, please note that improperly removing directories or registry keys can cause a machine to become inoperable.

1. Restart your computer

2. Login to the machine as an administrator account

3. Manually remove the following directories:

4. Manually remove the following registry keys:

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