Registry
Note: Incorrectly editing the registry may severely damage your system. Before making changes to the registry, you should back up any valued data on the computer.

To open Registry Editor, click Start, click Run, type regedit, and then click OK.

1-To disable right click on desktop go to following address : [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Pol icies\Explorer]
And then create a DWORD, name NoViewContextMenu and assign a value of 1.

2- to disable right click on taskbar go to following address:
[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Pol icies\Explorer]
create a DWORD , name NoSetTaskbar and assign a value of 1.

3- To disable right click on start menu go to following address:
[HKEY_CLASSES_ROOT\Directoryshell]
and
[HKEY_CLASSES_ROOT\Foldershell]
and rename Shell key to Shell.old.

4- to remove Shortcut arrow go to following address :
[HKEY_CLASSES_ROOT\Inkfile]
and
[HKEY_CLASSES_ROOT\piffile]
and delete IsShortcut .

5- to remove recycle bin icon go to following address [HKEY_LOCAL_MACHINE\Software\MicrosoftWindows\CurrentV ersion\explorer\Desktop\NameSpace]
and delete following key : {645FF040-5081-101B-9F08-00AA002F954E}

6- To disable Shutdown Event Tracker go to following address: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Reliability and Click the following entry: ShutdownReasonUI:REG_DWORD: and assign a value of 0
7- to disable folder option go to
HKEY _ USERS \ >DEFAULT \ software \ Microsoft \ Windows \ Current Version \ Policies \ Explorer and create a DWORD name Nofolder Options and assign a value of 1.

Be successful !
Soleimanian