Found an acceptable way of making it work: Take the Dell Command Update installer exe file from the Patch My PC install package, then use that exe's command line to extract it. Then using the extracted exe you can run this command line as SYSTEM with Config Manager and install for all users: DellCommandUpdateApp_Setup.exe /S /v/qn
You'll just have to create your own deployment package and not use PMPC's package.
You'll just have to create your own deployment package and not use PMPC's package.