GCharb
Let's look at the situation from the other side. Of the hundreds of programs currently running, and of the thousands of programs over the years on this computer, Houdini is the only program that is confused in its ways. And this is clearly a problem for Houdini programmers.
Read again - After deleting the settings folder, Houdini resets all settings to default, BUT leaves custom colors. A simple question - where did he hide them? These files with the default theme are simply not in the system. At all. Neither on drive C nor on drive D.
We simply add up the facts and draw conclusions.
Here in the screenshot, after deleting the settings folder, everything was reset to default - desktops, menus, fonts, viewport, and the colors of the nodes were custom! Where did he hide them? tragicomedy...