On 30 Mar 2014, Alek Trishan wrote in
alt.windows7.general:

On 3/30/2014 4:24 PM, Nil wrote:
It's not a Windows feature, it's a feature of that particular
program's installer.

Is there any way to get to the installer other than via the
Control Panel?

You can sometimes find an Uninstall.exe in that program's program
directory, but running it will do the same thing as starting it from
Control Panel.