If you use your computer in an area where others may have access to it, and there are some confidential data  on your system and you want that your data remain secure then apply this PC Trick .Locking your desktop when you leave the PC is an essential task that task you can perform by various PC Tricks but this one PC trick is very easy to perform. The following are the steps to perform this pc trick for a creation of desktop shortcut that will lock your computer in two easy clicks:

1). Right click on an empty area of the desktop and choose 'NEW' option  then 'SHORTCUT'. 

2).Now the  shortcut wizard will open; in the first text box, type '   ‘%windir%\System32\rundll32.exe user32.dll ’,as shown below...

3). Then the next step for this PC Trick is give your shortcut an appropriate name on the next page, and hit 'finish.'

4).You will notice that the shortcut you created has a blank icon. To select a more appropriate one, right click on the shortcut and hit 'PROPERTIES' In the 'shortcut' tab, click the 'change icon' button as shown in screen shot.

5).In the 'look for icons in this file' box you have to type '%SystemRoot%\system32\SHELL32.dll' as shown below then click 'ok' .

PC Trick for desktop locking with a shotcut is now ready for use. Test it out.