Startmenu in Sitecore v5

Sometimes when a user clicks the Sitecore button » All Applications, the list of all applictions may be displayed behind the menu. This beahvior is described at the picture below:

This can be cured by completing the following steps:

1. Add the site to the list of the Trusted Sites as it is depicted below:
2. Please make sure that the client machine has MSXML 4.0 and WinXP SP2 installed.
3. Delete temporary internet files (IE/Options/Internet Options/Delete Files).