If you want to disable your right click option in desktop,then there is a simple trick to do this editing your registry.This is so simple all you have to do is to create a new key,Ok lets start our trick.
1.Open run ( window + r ) and type regedit.
2.Registry editor window will be opened and browse to the following key
3.Then in right side panel, right click to create a new DWORD value with the name
NoViewContextMenu (it is case sensitive), then assign number 1 in value data box.
4.Then exit the registry and restart your computer to effect the changes.
and thats is you are done,Now you cant right click on the desktop.