Need Help- Double-Clicking doesn't work

Hello everybody,

at my DC, i've a problem, when i do double clicking at any object by the Active Directory, it dosen't work.

The rigte mouse is still working, so i can see the settings of the users or any object, just with right mouse action, double clicking dosen't work at all.

Any idea, i'll be thanks for your help.

Nizo

try to scan the Server with strong anti virus

Thanks a lot for your replay, but the server is clean.

I think it's a registry entry.