pp 2007 will not see my video

[SAEngraver]

Hail the reader,
Need some help with importing a vid please. I have read and tried all.
When I open the folder and click to insert, it does not appear in the file name field, in fact cant even copy and paste it into the field.
I am clearly missing something as the various solutions to the problem talk about buttons I don't seem to have. I have it in the same folder as the pp presentation. When I click insert I easily find the containing folder, however when I select it does not go to the name field so that I may say OK and it will than take it to the pp - at least this is how I believe it should work from all I have read.
So instead I double click on the file where it is in the body contents of the folder. A black square is formed on my pp slide, but it does not play the vid, I had selected to play on clicking.

The file vid ext is AVI, I can convert it to any extension needed to have this play in my presentation.
Can anyone help please, knowing that I have already followed all the advise available in various windows forums.
Is there some add on missing from my pp?
Thank you