I installed a window yesterday, it was a real pane

To quote Eminem: Guess that’s why they call it window pane.

We gotta start screening these jokes

Clearly.

I would recommend switching over to Lenox.

You should really consider making your joke less transparent. Put the punchline in the post and not in the title.

I think there's a clear answer as to why

How so? I need you to clarify and broke the story into pieces