3rd party patch management trying to install 32-bit version on 64-bit Windows

Attempting to run 3rd party patch management to upgrade to PDF-XChange Editor, I get the error:

Operation probably not completed for PDF-XChange Editor(8.0.339.0). ExitCode: 1603

When I check the Windows event logs on the device, I see:

Log Name: Application
Source: MsiInstaller
Date: 7/7/2020 1:07:37 PM
Event ID: 10005
Task Category: None
Level: Error
Keywords: Classic
User: SYSTEM
Description:
Product: PDF-XChange Editor -- This installation can be installed only on 32-bit Windows.

The device is running Windows 10 Pro 1909 x64, and this is correctly listed in the device summary.

Hello @jschlackman,

We have created a support ticket in regards to your report and will reach you via your forum registered email for further correspondence.