The Phantom Administrator

This is probably going to be a very short post, because the dining hall just opened and I am very, very hungry.
Having said that, now, I'm probably going to prove myself wrong.
I downloaded Windows Media Player 11 yesterday, and now my music player is all shiny and new. I can now also get my computer to recognize my mp3 player and add new music to it. This is very important, because a friend of mine recently sent me the soundtrack to Spring Awakening, which is an amazing musical that won the Best Musical Tony this year. My friend and I are going to run away to Chicago this summer to see it.
Downloading the music player has been about the only thing that has gone well with my computer lately. A week or two ago it started up with the blue screen of death, which caused me great anguish and made me torment the other dorm residents with my wails of anguish. It recovered, though, and started, but from that point on a small bubble has been popping up on my screen saying, "Your computer is infected! It is recommended to start spyware cleaner tool." The first time I saw this I was genuinely alarmed until I clicked on the bubble and it took me a website in order to purchase anti-spyware software. I said no. "No to scamming trojans!" (That was me.)
But from that point on the bubble has refused to disappear, and it repeatedly makes this little, "I have appeared noise!" even though it's there all the time. And, from time to time, an Internet Explorer window will randomly open on my computer with about 1175023500 tabs that I must individually click closed before I can close the window. And sometimes my computer will tell me it is shutting down, and that the administrator has authorized this. Now, this sounds legitimate, but I happen to have it on good authority that I am the administrator for my computer, and I authorized no such action. This mysterious administrator has also made impossible to change my desktop, and he has disabled the task manager. Whenever I try to access it an angry little box says, "This function has been disabled by the administrator." No! It hasn't been! I am the administrator! It's not disabled! Help!
In good news, however, I have applied to a peer consultant program with the university's Writing Workshop. If I'm accepted I get to work for independent credit helping other students with thier papers. After I work there for a year I can even get paid for it!
That at least, is exciting. The haunted computer, not so much. But it does keep me on my toes.