My Safari homepage becomes home. searchpile.com suddenly. The MSE does not scan anything. I tried uninstall it from the control panel. Some pages like this one from Google describes the malware may steal sensitive information in the computer. Do you have any good idea?
You can choose your own desktop wallpaper then change the color of the taskbar. I found a useful post http://blog.doofix.com/how-to-change-the-color-of-the-taskbar-in-windows-7-8/ Suppose it can help you solve the problem.