This has again after automatic client upgrade to 8.5 2020-04-20 (build 85332031) from v. 8.4. The other client (PC) of the same installation has no problems.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...