I installed the plugin on the old version of the sketchup, installed a new one and the plugin does not appear in it, decided to reinstall it, but when installing it writes that the plugin is alrea...

I installed the plugin on the old version of the sketchup, installed a new one and the plugin does not appear in it, decided to reinstall it, but when installing it writes that the plugin is already installed, but I can’t delete the existing one