Generic.dx!bfz4 is a terrible Trojan infection which can be quarantined by McAfee program but cannot completely remove by the end. It can have a full-screen pop up when system begins logging on window. Antivirus program keep telling that it has been quarantined but still existing in that locations. No one can doubt that antivirus program fails to handle it completely.
Safe Guide to Remove Generic.dx!bfz4/ Tips for Trojan Virus Removal | PC Problem Fix