I suspect you might have some malware on your system blocking Windows Updates including SP-1. Please read, and carefully follow all the instructions in this topic: [NEW Instructions!] What Do I Do First?
Start a new topic here: Post Here for Malware Removal ...
including copying and pasting the two required DDS logs. If the logs are too long to post in a single post, use multiple posts to post them both completely.
Once you start the new topic, and post the required DDS logs one of our MRS Staff will help you fix this problem. I am locking this topic since all further discussions about this problem should be in our malware removal forum.