Follow these directions:

 1)  Close all folder windows that are currently open.
 2)  Launch Task Manager using the CTRL+SHIFT+ESC key sequence,or   by running taskmgr.exe
 3)  In the Process tab, right-click on the Explorer.exe process and select End Process
 4)  Click the End process button when asked for confirmation.
 
 From the File menu of Task Manager, select New Task (Run…)
   Type CMD.EXE, and click OK
   In the Command Prompt window, type the commands one by one and press ENTER after each command:
   CD /d %userprofile%\AppData\Local
   DEL IconCache.db /a
   EXIT
   In Task Manager, click File, select New Task (Run…)
   Type EXPLORER.EXE, and click OK.

Your icons should be as good as new!

Icon is back to normal!

Thank you so much. Hope this helps some other users too.