Appena faccio il log-in.
Mi succede anche entrando in questo forum. Di seguito i link:

http://www.avast.com/it-it/lp-fr-virus-alert?p_ext=&utm_campaign=Virus_alert&utm_source=prg_fav_80_0&utm_medium=prg_systray&utm_content=.%2Ffa%2Fit-it%2Fvirus-alert-default&p_vir=HTML:Script-inf&p_prc=C:\Program%20Files%20(x86)\Google\Chrome\Application\chrome.exe&p_obj=https://a.gfx.ms/GFXHasherVerification_-Fe1STHNu8QyRd5o18rjbg2.js&p_var=.%2Ffa%2Fit-it%2Fvirus-alert-default&p_pro=0&p_vep=8&p_ves=0&p_lqa=0&p_lsu=24&p_lst=0&p_lex=126&p_lng=it&p_lid=it-it&p_elm=7&p_vbd=1489

http://www.avast.com/it-it/lp-fr-virus-alert?p_ext=&utm_campaign=Virus_alert&utm_source=prg_fav_80_0&utm_medium=prg_systray&utm_content=.%2Ffa%2Fit-it%2Fvirus-alert-default&p_vir=HTML:Script-inf&p_prc=C:\Program%20Files%20(x86)\Google\Chrome\Application\chrome.exe&p_obj=https://dub105.mail.live.com/mail/%23&p_var=.%2Ffa%2Fit-it%2Fvirus-alert-default&p_pro=0&p_vep=8&p_ves=0&p_lqa=0&p_lsu=24&p_lst=0&p_lex=126&p_lng=it&p_lid=it-it&p_elm=7&p_vbd=1489