For some reason the environment path is not able to reply to the robot update
You will see the robot folder like this with new robot version on the end of the file name
if you go to the file:
And you just able to see the message:
ECHO is off
This mean some issue on the LInux or windows environment path.
On the success robot update you will able to see the rename on the robot_shared_libs_rename as below:
And the robot folder should look like this.