Youre in the Windows Programs menu, not Windows Add/Remove Programs.

Right-click your Windows START button, and choose Settings, then choose Apps....do you see the list of programs like my screen shot shows that you can scroll down to ProSeries 2019? 

If I click Uninstall, I get this window first

Then I click Uninstall and another window pops up that I have to click YES on appears, then I see that list of modules to choose from.

@AshleyatIntuit    is there a reason why the list of modules to uninstall wouldn't appear for this customer?  Does it have to do with the type of package purchased, it wont let you install states once they've been selected?