I have found the problem: Windows was hiding a version of Lilypond in the program files. I deleted that and was able to install the program.
All Best, Joshua Nichols On Sat, Nov 23, 2019 at 10:00 AM Joshua Nichols <josh.d.nich...@gmail.com> wrote: > Hello all! > > I went to install 2.19 on my Windows 10 machine, but it said it found a > previous version of lilypond. This was okay, as I installed it, but I > continued to get the same error message. I then tried restarting my > machine, ran the installer, and the it said that a previous version was > found. How can I install it? > > All Best, > Joshua Nichols >