I tried restarting and it still won’t delete.

What do you mean with screenshot ? where you use the print screen key
Did you made a screenshot ? yes
Did you place it yourself on the desktop ?yes
What has this got to do with avast ? it is a log I need to post in another avast forum
What do you mean with 3x3-the screenshot is about 3x3 in size

I am just trying to give as much info as I can to solve this and get it off my desktop.
Thank you both.