Right click on a Pic and select Open With - Choose the app you want and place a check mark in the "always use" box.
When in doubt - don't use it. There are MANY way of getting weather.. My local NBC station even has a download...Here are a few dozen to choose...
Cute....
Pretty certain that Yahoo just uses a custom version of Internet Explorer which can be difficult to remove....What issues are you having?
Separate names with a comma.
