PC Lock (using mouse):

Generally we have problems in pressing Alt+Ctrl+Del or Windows+L to Lock our PCs, hence it would be better if we could do that by the click of a mouse. Here's how to do it:

1. Right click an empty spot on the desktop, point to New and click Shortcut.

2. In the Create Shortcut dialog box, copy the following into the 'Type the location' of the item text box:

"rundll32 user32.dll,LockWorkStation" remove quotes while typing.

3. Click Next.

4. In "Type a name for this shortcut", type LOCK and Click Finish

5. Now just double click on the icon, your desktop will be locked.