folder desktop keep pop-up

Hello everyone,
I had a problem since yesterday, it's making me crazy (
Whenever i click on a folder (documents, dowload, movie, pictures,... or any others folders), desktop page open (in a new page everytime
I tried many things, clean cache, watch for a virus,...

PS : i have two accounts on my laptop, one private and one for work, the one for work is fine, i don't have this problem, but in my private i cant access to my photo or others folders.