When you right click on the Start Button, you can select Open, Explore
or Find.
Open shows your Programs folder. Explore starts the Explorer and allows
access to all drives.
Find allows you to search and then run programs. In certain situations
you might want to disable this feature.
To remove them:
1.Open RegEdit
2.Go to HKEY_CLASSES_ROOT\Directory\Shell\Find
3.Delete Find
4.Scroll down below Directory to Folder
5.Expand this section under shell
6.Delete Explore and Open
Caution: - When you remove Open, you cannot open any folders.