On a Windows or macOS desktop, the OS-provided MessageBox() can be freely moved around the screen - but that's not how in-web-page modals tend to work.
I don't find I have the problem you describe, because at worst you can generally abort the save or whatever and verify then redo it.
The one that bugs me is online order forms that don't give you all your critical details like dates, and exactly what you are paying for, on one screen where you finally commit.
The one that bugs me is online order forms that don't give you all your critical details like dates, and exactly what you are paying for, on one screen where you finally commit.