Runtime Error: HTMLViewer

Hey guys, I am sorry to ask so many questions.
I built my windows desktop app, and then put it (and all of its components) into Inno Setup compiler. I installed everything, but when I open the installed application, it sends me the following Runtime error:
(If the file breaks, here’s the imgur link)

Thanks, Tim

EDIT: The error repeats, always something to do with HTMLViewerPlugin

Compare what your post-install directory looks like with the Xojo Build folder. It seems like you may have forgot to pack some files in the installer.