I have tried to install it several times and this still keeps coming up. I previously had it installed, but for some reason tried to uninstall it by just deleting it straight from the installation folder (C://) because I needed to update it (I don't know why I didn't just use the updater) . I then uninstalled it from the apps menu, to which it gave me another error. I believe it was because it could not find the uninstall file, so I had a friend send me the install folder. I then put it directly back into the C:// and tried to uninstall it again. It eventually did, and then I went to re-install the most recent version, and this came up.