DeltaDiva 0 Newbie Poster

I Have The Downloader Ev Virus On My Laptop And It Is Driving Me Insane. I Have Mcafee Virus Scan On My Comp And They Are The Ones Who Detected It. I Can't Delete, Quarantine, Or Clean It Through Them. I Have Tried Their Suggestions Of Turning Off System Restore And Rebooting, I Have Tried The Engine-dat File Suggesteion, I Have Deleted All Cookies And Files In My Temp. Internet Files Folder. I Don't Know What To Do To Get This Thing Off My Comp. Can Someone Please Help Me, And Since I Am A Novice, Its Going To Have To Be Step By Step. I Would Appreciate Any Help I Can Get. Please Help!