Once installed on your machine, winpcdoctor may deliver unwanted and excessive pop-up advertisements which are related usually with usolicited and adult content displaying websites. winpcdoctor may also install additional adware components on your computer, including toolbars and new desktop shortcuts. winpcdoctor may also have an ability to track your web browsing habits and provide you with targeted advertisements accordingly. If your screen is often bombarded with unwanted advertisements even if you are not browsing the web, you most probably have winpcdoctor installed. This unwanted application may periodically slow down your computer speed by using your hard drive's resources in order to deliver advertisements and send the collected information about your web browsing activities to a third party.