According to the documentation
"Install or Upgrade for an External CA Business Intelligence JasperReports Server" customer did the following:
4. Run the cabi or cabi_external probe as a Windows authentication user.
a. On the robot with the probe, go to Administrative Tools > Services and double-click on Nimsoft Robot Watcher.
b. Select the Log On tab.
c. Change the account to the same account and password that is used in the data_engine and the primary UIM server.
d .Click OK.
e .Right-click on Nimbus Robot Watcher and select the Restart option.
f. Close the windows.
g. Restart the robot.
After this steps the spooler probe doesn't start.
Which rights does a windows user need to start the Nimbus Robot Watcher Service?