Il blue screen selezionato è causato da Avast (aswMonFlt.sys).
mi consigliano di disinstallarlo
Here is an English forum. There is an Italian board.
Please, go to C:\Windows\Memory.dmp file and send it to analysis.
Better if you can add some information about the BSOD and the link for this topic in a readme.txt file, compress (zip) together the readme.txt and the Memory.dmp, rename it with a unique name.
Upload it to this anonymous write-only ftp server location: ftp://ftp.avast.com/incoming/