Whenever I open my Yahoo messenger I get an explorer script error line 2 code 0
Char1

Re: Script error invalid character using the WebBrowser control - MSDN Forums

Fixed this problem with nearly everyone using IE7.

If I could make a suggestion,

You should download and install the Firefox browser from Firefox web browser | Faster, more secure, & customizable

This is a very very good browser and it has my 100% guaranteed satisfaction.