Flash 30 installer runs, but Flash 29 still installed (Win 7 SP1, Firefox 61.0.2)

[ufunctional]

I've followed the instructions on Installation problems | Flash Player | Windows 7 and earlier

This includes downloading the installer, install_flash_player.exe for Firefox (20 MB size) and running it directly.

Everything seems to work, but the installation page says I still have 29. Firefox lets it run--I see the tree and tire swing.

But for some reason the upgrade isn't "taking."

[_maria_]

Please do the following:

• Launch Firefox
• Navigate to about:plugins
• Locate the Shockwave Flash entry
• What is the directory path Firefox is loading Flash from?

For example: