Ensure all users are closed out of HandiSoft and Microsoft Products.
If you are using cloud products such as Final Accounts, Accountant Cloud etc. please check Start > Run > Services and look to see if HandiSoft Data Agent is running.
If it's running:
Right-click stop service.
Install the product and then ensure you right-click Run on the HandiSoft Data Agent service.
Note: If the above fails, you may need to restart the PCs or the server.
If this error appears when opening the programs after installation, a restart of the PC may be required to clear the errors.