How to remove “Nero Scout” from “My Computer” [Link]

This command worked for me:
regsvr32 /u "%commonprogramfiles%\Ahead\Lib\MediaLibraryNSE.dll"

How to remove “My Sharing Folders” from “My Computer” [Link]

This command worked for me:
regsvr32 /u "C:\Program Files\Windows Live\Messenger\fsshext.8.5.1302.1018.dll"