Pro-Mux-1 not accepting baud-rate change on serial port, stuck on 115200

Pro-Mux-1 not accepting baud-rate change on serial port, stuck on 115200

Trying to access the baud-rate it will not accept any changes.  will not let us 'activate' the field.
Clicking on the field changes color on the field but no change can be done.

Other field on same page is may be changed.
We need to change to 38....
This is on a user-profile.  Windows 7 / IE.