Plant SCADA and multiple user accounts on 1 Machine - is this possible ?

my question is "Will Plant SCADA work with multiple user accounts on the 1 Machine."

i have a client workstation that operators use to access Plant SCADA 2018 (V8.1) in the past up to a few weeks ago all operators used a generic account, and all was well. 

there has been an IT Dept change now where all operators have their own unique account, therefore i have noticed the run time license fails after a minute.

i can see and read the physical USB key successfully in the account for the operator who reported this, but it fails after a minute when runtime is launched.