Error while running 'C:\ProgramData\chocolatey\lib\ros-python2\tools\chocolateyinstall.ps1'.

edit

Straight dump of the error message:

C:\Windows\System32>choco upgrade ros-melodic-desktop_full -y
Chocolatey v0.10.13
2 validations performed. 1 success(es), 1 warning(s), and 0 error(s).

Validation Warnings:
 - A pending system reboot request has been detected, however, this is
   being ignored due to the current Chocolatey configuration.  If you
   want to halt when this occurs, then either set the global feature
   using:
     choco feature enable -name=exitOnRebootDetected
   or pass the option --exit-when-reboot-detected.

Upgrading the following packages:
ros-melodic-desktop_full
By upgrading you accept licenses for the packages.
ros-melodic-desktop_full is not installed. Installing...
Progress: Downloading ros-melodic-desktop_full 20190415.1... 100%
Progress: Downloading ros-melodic-desktop_full 20190415.1... 100%

ros-python2 v2.7.15.1809242354
ros-python2 package files upgrade completed. Performing other installation steps.
Extracting C:\ProgramData\chocolatey\lib\ros-python2\tools\python27amd64.zip to C:\opt\...
C:\opt\
ERROR: The term 'cmd' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
The upgrade of ros-python2 was NOT successful.
Error while running 'C:\ProgramData\chocolatey\lib\ros-python2\tools\chocolateyinstall.ps1'.
 See log for details.