try disable/re enable the Avast! webrep tooltip in Avast! gui as in the screenshot
1. disable by checking the box in the screenshot
2. open IE 9 (make sure that the tooltip in ur screenshot does not appear when u hover ur cursor over the webrep icons next to the search results
3. close IE 9
4. re enable by unchecking the box in the screenshot
5. open IE 9 to see if tooltip loads properly
if it does not work try reinstalling the webrep through Avast! gui for IE
1. close IE
2. uninstall IE webrep through Avast! gui
3. reinstall IE webrep through Avast! gui
4. open browser (in IE 9 accept plugin install)