Perform several recommended solutions if, when updating payroll or QuickBooks, you are getting the following error:

Error 15240: The payroll update did not complete successfully

You may also encounter one of these errors:

File Exists: The file you specified cannot be opened. Make sure that it is not being used by another program

Internet connection error: unknown error

This is usually caused by Internet Explorer security settings, firewall settings or system date and time settings.