Customers Payroll Export Wont Work After Update
If a custome calls saying that their payroll export doesn't work following a server update the dll file needs to be recompilled.
Check the customers web folder eg :\horio-publishing_UK\Customer\Horio Web\bin there will be a dll file called Customer.payrollplugin.dll (where customer is replaced with the client name)
Send this file to the developers and ask for it to be recompiled.