There are so stinkin' many things that could be out of whack -- INCLUDING operator error -- that there's no way to help without more information:
...and since you're asking an AE preschool-level question like "does AE work with Quicktime movies" -- that's not even a question they'd ask in AE-101 -- you REALLY need to spend some quality time here:
Blow off learning the basics at your peril.
I am using After Effects CS6 apparently. When try to insert it says that the file is damaged o incompatible. I am using windows 8.1
Action Essentials files usually work just fine with AE.
What version of QuickTime do you have installed on your system?