Will AIS print different values on the hardcopy FNS152 report than are stored in the XML file? No – both the print data and the XML file is produced at the same time. If you have an XML file for a reporting month that does not match your hardcopy, it is due to printing multiple [...]

You can select CANCEL when prompted and AIS saves your XML file to the folder named FNS152 on the computer AIS is installed.  If you select OK, you can then choose where you want to store the XML file.