That's a "BHO" that you can delete with the power tool called HIJACKTHIS. Sorry if I don't supply links or a tutorial.
I have yahoo mail as my default mail client. Recently, the AUTO COMPLETE function ceased to work. I attempted to repair it using the HELP PAGES without success. I next tried to contact YAHOO CUSTOMER SUPPORT. Yahoo Customer support is almost impossible to find, and of absolutely NO HELP when you do. Apparently Yahoo is not in the business of supporting their product. Accordingly, I want to try to UNINSTALL YAHOO, and try reinstalling it. The kicker is that it doesnt appear in ADD AND REMOVE PROGRAMS, nor ,(provide an uninstall link), under ALL PROGRAMS.
How can I uninstall the program?