Yesterday i installed a untrusted program, and things went wrong from there. It started like this: Things got slow, so i restarted my computer When it booted, i logged in and explorer wouldn't start, so i had to start it manually. During the boot of explorer, McAfee would pick up a trojan that was a .dll, and quarentined it. I took a look in task manager, and there was a process i didn't recognize. So i did some research and i guess that file is usually used with viruses and everything else. So i did a system restore, hoping it might work, and it did; sorta I looked back in task manager, and its still there, but windows booted fine, like normal. But then i noticed a huge increase of "svchost.exe" Am i infected? What can i do? Thanks for all the help!