How to save texture.

Well I have a VTF program and I would like to save correctly my mask_demo.tga on mask_demo.Vtf.

Honestly I don’t know what’s wrong with it.
I tried many combination of saving it. Could someone help me with it?

BTW | Wrong icon

If you’re using VTFEdit, simply open up the .tga file from the directory list to the left of the display (which is also below the toolbar), accept default settings, and save it as a .vtf file.

Could you please give me a pic of these settings?