windows7 wont refresh folder view

some of my foler are viewed cool but some are not....
iam using genuinw windows7 enterprise N edition
this edition didnt have media player installed
so i had install media player classic also knows as media player codec
after i installed this media player classic i installed media player 12
i have attached my file in this
you will know what my problem is after lookin the pic.......

here is the step wise solution to the folder icon refresh problem
1. Right click the folder and open the properties.
2. Select customize tab.
3. Click on change icon .
4. Now click, restore defaults .
5. Click Apply.
6 OK.

You are done