I was facing an awful lot of BSODs and was also infested by PE_Sality.ek virus.SO I cleaned with Malwarebytes and then freshly installed Vista(primary) and seven(secondary). I am still facing the same errors after re-formating 3-4 times.I used Nirsoft Blue screen viewer and have attached the drivers which were probably creating problem.. Please tell which software is causing these crashes..I have written in lot of forums without any luck... Please help me... http://www.mediafire.com/?450sb02w5c4tmad