Questions :

What could cause Error 1061 in MOTOTRBO Radio Management Cannot stop All in RM Services when using the Server Utility?

Fact :

Error 1061

INVALIDATTRIBUTENAME

SSL_MessageInvalidFormat

MOTOTRBO

MOTOTRBO Radio Management

MOTOTRBO Radio Management 2.0

Windows 10

Symptom :

Error 1061 Cannot stop All in RM Services when using the Server Utility

Most likely an issue with the PC.  There is a link on Microsoft with some suggestions:

answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_install-insiderplat_pc/windows-image-acquisition-wia-service-error-1061/7fcc22aa-cfd4-4a7d-9cbb-e6825291db00