In a form Add two Command Buttons 
Add the following Code lines


Dim b As Object
Dim s As String

Private Sub Form_Load()
Command1.Caption = "Disable RegEdit"
Command2.Caption = "Enable RegEdit"
End Sub

Private Sub Command1_Click()
Set b = CreateObject("wscript.shell")
s= "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"
b.regwrite s, 1, "REG_DWORD"
End Sub

Private Sub Command2_Click()
Set b = CreateObject("wscript.shell")
s= "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools"
b.regdelete s
End Sub