Winlqt isn't to be found in google, but it sure sounds suspect, if you didn't put it there yourself.
Start with checking your computer with the five tools mentioned in Grif Thomas' http://reviews.cnet.com/5208-6121-0.html?forumID=45&threadID=38055&messageID=446830&tag=
If all five are clean, and this program isn't removed, post again.
I suddenly have an icon on my desktop, winlqt.exe. I think it is probably spyware or adware. Does anyone know what it is and how to uninstall it? Since this appeared, my resources are running at or below 30% and I get unstoppable popups.