Write following code in notepad
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,03,00,00,00,00,00,5b,e0,00,00,5c,e0,\
00,00,00,00
And save as lockwin.reg
double-click the file
ok
