Could you please refer link https://help.sap.com/saphelp_nw04/helpdata/en/a3/9ec43a1291a74ce10000000a114084/content.htm
Also refer
The “ntscmgr.exe” program located in the Exe -> Run directory can be used to reinstall the SAPOSCOL as a service.
Execute the following command:
ntscmgr.exe install SAPOsCol -b saposcol.exe –p
After that please share the results.
Thanks,