1) Driver Cleaner as it programs has always worked, it doesn't perform the Update. 2) yes, my windows account has administrator rights. 3) yes, the folder C:\Programmi\DriverCleanerDotNET\LiveUpdate it really exists and to the inside there is the relative file but it is empty, has dimension of 0 byte. 4) I have performed a control of the all system with the F-secure suite without noticing virus or spyware. The strangest thing that happens during the UpDate demand is that while the program asks the permission to contact the server of Driver Cleaner to the firewall of F-secure, there is not contrarily the application of the server to access my PC to download the files. This happens only with the Driver Cleaner program and not with other programs or windows Update. What do you think of this?