When programs such as Zip utilities or Ant-Virus applications are installed, you will also see additional options added to the context menu, as shown in the screen shot below with AVG Antivirus application installed: Examples are p aste, copy, cut, open with, share, etc. What is a context menu handler? It's a shell extension that adds functionality to context menus when you right click a file or folder and a menu appears. For the purpose of this tutorial, I'll show you how to use ShellExView to help isolate and identify the cause of a misbehaving context menu handler. ShellExView from NirSoft can do more than fix slow right click problems since the tool can display all installed shell extensions.
