Window Vista Keeps Deleting Keygen I Have A Virus On My Computer, I Can't Delete It Because "it's Open In Another Program, Close" Please Help!?

I have a virus on my computer, i can't delete it because "it's open in another program, close" please help!? - window vista keeps deleting keygen

Ok, I've downloaded, the possible applicability of software, then a crack as I tried to install and double click to open (command), type cmd, and said: "1 file copied"
I knew that something happens! I managed to delete the installation executable file, but it really does not matter because whjatever isntalled, and I was getting these messages in Windows Defender, which indicate that there are Trojan downloaders with severe level of risk in my delete computer, and all except one. i opnoLIBq.dll and delete when I try to manually (I found the location it is in C: \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ Windows \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ system32 \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ opnolibq), but I get the error message "This operation can not be completed because the file open in another program. close the file and tryagain: "I'm using Windows Vista Home Basic, and I've also tried to disable the Internet and so do all the applications on their Task Manager (Ctrl + Alt + Del), but no, please help me.. I really need help: ((