3 things you need
1.a flashdrive (more than or equal to 200)
2.the files i've provided (http://www.4shared.com/rar/8boFdx9qce/w7_bsod.html)
3.reformatting your flashdrive from fat32 to ntfs
once you've did that,you might wanna replace them soon after in order for it to permanently work at desktop