"Computers Hall 3.19" release:

Control of the printers - EMF, PJL spooler format support. Correct number of copies using Microsoft Word will be counted when printing on EMF and PJL printers.

Control of inserting/extracting USB devices by clients. Administrator will receive warning message after client insert or extract USB device. Also this event can be logged in report.

You have to change client parts when upgrade to a new version.