Yeah sure!
Attached two screenshots.
The first one (image1.jpg) shows the activity in UiPath where I am writing the command.
The second (image2.jpg) shows the result that appears in the postgresql console!
Not sure why it is not working.
May be you can try an alternative.
Open notepad, write the command into to notepad (as I suggested earlier)
Copy Text to Clipboard and Paste into Console.
It should I think you should disconnect the robot from Orchestrator and restart your Studio. If it now displays these options under the Help menu, it means it is probably already downloading the new version:
One more Studio restart and you should have the 2019.1.
Also, make sure the UIAutomation activity pack is also up to date, like so: