To fix the error: 'This App can't run on your PC' see below common troubleshooting steps:
If the issue occurred after an installation or update, please ensure all users are closed out of all Handisoft and Microsoft products before retrying to reinstall the update. Please click here for a guide on how to check Computer Management for opened files on the server.
Ensure the 'HSoft' folder is added to the exceptions/exclusions list in your Anti-Virus
Restart your PC to rule out any computer/network issues.
For further assistance, please raise a new case with support online and reference the title of this article.