Then rerun it by downloading a new copy:
Download and Install Combofix
Download ComboFix from one of the following locations:
Link 1
Link 2
VERY IMPORTANT !!! Save ComboFix.exe to your Desktop * IMPORTANT - Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools. If you have difficulty properly disabling your protective programs, refer to this link here
Double click on ComboFix.exe & follow the prompts.
Accept the disclaimer and allow to update if it asks
When finished, it produces a log for you.
Please include the C:\ComboFix.txt in your next reply.
Notes:
1. Do not mouse-click Combofix's window while it is running. That may cause it to stall.
2. Do not "re-run" Combofix. If you have a problem, reply back for further instructions
Please make sure you include the combo fix log in your next reply as well as describe how your computer is running now
After the run you may have internet problems or access to something problems. Simply reboot the computer.