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After installing an update payroll no longer opens

Article ID


Article Name

After installing an update payroll no longer opens

Created Date

1st January 2019


IRIS Payroll Business, IRIS Bureau Payroll, IRIS Payroll Professional, Earnie


After installing an update for payroll, the user reports the software no longer opens. When they double click on the short-cut nothing launches. If you look in task manager there is no listing for "Payroll.exe"


Please make sure you restart your PC after installing the update. Once you have restarted try to open payroll again. If the software will still not open please check the details below.

During the installation process did you see an error 1904: Module E32DLL2.DLL failed to register? If so please follow the advice on this KB, click here.

If you didn’t see the above error during the installation process please check that Microsoft .NET v4.0 is present on your system.

As a quick check, if you browse to your payroll installation folder and double click the file “Auto Update.exe“, the icon looks like this:

auto update exe

If .NET is missing or not working correctly you will see the following error: 4.0 is required when using auto update do you want to install it now?

Click “Yes” and follow the on-screen instructions to install the appropriate version of .NET. Once completed reboot your PC and try payroll again.

Alternatively, you can download and run the .NET 4.0 installer from Microsoft here:

Once this is complete, reboot your PC. You should be able to start your payroll software as normal.

If you are still unable to access payroll please contact our support team for further assistance, click here for contact details.

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