I did the same.
I had, accidentally, downloaded some porn whilst browsing the internet. I tried to delete it, but it kept coming back.
So I sent the laptop off to Stevo, as I though his quote of £600 + VAT was quite resonable for 30 mins work.
I thought it would be back with me the next day, but I heard nothing from him. Numerous phone calls and emails were all ignored.
After about 8 weeks, and many threatening letters from my solicitor, he eventually sent me the F key from my laptop keyboard.....then the next day the letter U, then C, then K,........