Why didn't my thread show up.

I want to know.

What was the name of the thread and which forum did you post it in?

It could a mod deleted the thread for violating forum policy.

We are moderating the tutorials that are listed to help ensure the education here is:

The ‘Tutorials, Tips and Tricks’ forum is for completed tutorials, tips or tricks ONLY, not tutorial, tips or trick requests.
That’s why there are lots of support subforums for specific topics