as u can see in this pic whenever i click on this explorer icon it shows me this msg and also from c\windows\explorer.exe i scanned full pc with malwarebytes and eset smart secuity still cant find a virus. i think it regitry value might have been changed i.e its location or something related to it. Please help me guys.

And please give specific answers not like try this or try that .

i have posted the same topic in
http://www.sevenforums.com/cra…..ost1589662
from where i got to fix my link folder deleted problem and many more.

Problem solved today i searched and searched on google and finally when i search on google with this subject

windows explorer default association

then i opened this link of microsoft answers http://answers.microsoft.com/e…..fb4b48e32f

and then http://www.winhelponline.com/b…..windows-7/

and downloaded the folder default association and it worked.

thnks to google :P

topic closed :P