Is it normal to have 2 identical versions of WebRep in my IE Add-On Manager?

Avast Free Antivirus / Premium Security
1

Is this normal?

http://img849.imageshack.us/img849/6898/webrep.jpg

2

Yes.
If you click on them, one at a time, and look further down, where more details are given (toward the middle of the screen), you’ll see one is type: Toolbar, while the other is type: Browser Helper Object.