Lock the Desktop quickly!!!!

thanks yaar nice information...............

Golden Lock icon for Lock the Desktop 

Right click on the icon > go to properties > click on change icon > under look for icons in this file box type > %SystemRoot%\system32\SHELL32.dll > select the golden lock icon > ok > apply > ok > done

Thank you Maninder for sharing this and keep posting such useful information

But instead of doing all this, just simply press (Windows start key + L) and desktop will get locked

short procedure for the same is

Press and hold window key and then press L.

desktop will locked