Delet undeletable with UNLOCKER

This is pretty useful if you have packed the Windows taskbar by opening many applications and files. Do you hate closing all those files individually? If yes, then this is for you!It is unbelievably easy; just press and hold the Ctrl key. Now click all the applications you want to close while still holding down the Ctrl key. Right-click any of the applications you selected and click Close Group.
It is done!So, now you know to get rid of this annoyance.