I am using RawPrint to print legal contracts on Okidata 320 Turbo printers. On several of my users machines the printer drivers are disappearing. By that, I mean if you go into the printers folder there are no printer drivers visible. The program at this point will have locked up as it is trying to access a non existing driver. If you try to install a new driver the system says there are no ports available to install printers. If the machine is shut down and rebooted the drivers are all there. Has anyone else had this happen and --- please ---- is there a way to keep it from recurring??? Thanks.