After upgrading from 11.4 to 11.5 a lot of my users are getting access errors while attempting to launch Prognosis.
The error most frequently being received is:
Is the 'irpqlsrv.exe' process stopped running?
That is one common cause of that error and sometimes if 'irpqlsrv.exe' does not have a high enough memory limit set in the PROGNOSIS config by a SET MEM-SIZE.
It would affect all users attempting to connect to that Prognosis server Web UI.
Also check wvlog.txt for IRPQLSRV events that should give us more clues as to why if irpqlsrv has stopped.
Probably late now, but that 10061 error comes up for licensing issues such as being over the number of licensed endpoints or licens expired. WVlog or the PrognosisUIlog.txt file wold provide more details.