: Try the link posted by StalkeR
(below this post) first !! It should work !
A paid program like Tuneup Styler (integrated with Tuneup Utilities) can do it most easily .
But if you dont have such a program, you may try some fixes .
First , run SFC /SCANNOW Command - System File Checker
, and see if it is fixed automatically .
If not , follow the tutorial Icons - Change Using Resource Hacker
, Change the icon group 54 and 55 in both the imageres.dll files in system32 and SysWOW64 folders , with the supplied icons ....