Save the file to your desktop. Double click to begin the extraction process, click Start then OK. Reboot to safe mode and logon to your user account. Open the smitRem folder and double click the RunThis.bat file to start the tool. Follow the prompts and allow it to complete, then disk cleanup to run. Reboot back into normal mode and reset your desktop background, theme, etc as desired.
Post the contents of the log C:\smitfiles.txt, along with a new HijackThis log and any comments, as a reply to your original topic.