Found this in the container wrapper.log....
ERROR | wrapper | 2018/10/01 20:36:46 | JVM exited while loading the application.
STATUS | wrapper | 2018/10/01 20:36:50 | Launching a JVM...
INFO | jvm 5 | 2018/10/01 20:36:50 | Error: could not open `C:\PROGRA~2\CA\Catalyst\CATALY~1\jre64\lib\amd64\jvm.cfg'
ERROR | wrapper | 2018/10/01 20:36:50 | JVM exited while loading the application.
FATAL | wrapper | 2018/10/01 20:36:51 | There were 5 failed launches in a row, each lasting less than 300 seconds. Giving up.
no idea why that file has gone.... seems the uninstall of the UIM connector cleared out the java of the container.
I've reinstalled the container and now its running again.