apk will not install on Optimus Elite Gingerbread

[dodsonman]

I have an LG Optimus Elite, rooted, running Gingerbread. I transferred the apk to phone, but it doesn't install. Using SD maid to open the file, unknown sources is checked, but the install button just doesn't work.

[Zethfox]

try installing with astro file manager. see what it tells you.