Please be patient as this can take a while to complete depending on your system's specifications.
If you are using Windows Vista or Seven, right-mouse click it and select Run as Administrator.
Follow the instructions in the wizard to update and allow the program to scan your computer for threats.Open the folder where the contents were unzipped and run mbar.exe.Unzip the contents to a folder in a convenient location.Download Malwarebytes Anti-Rootkit from HERE