Put HJT in a permanent folder.
Click My Computer, then C:\
In the menu bar, File->New->Folder.
That will create a folder named New Folder, which you can rename to "HJT" .Put your HijackThis.exe there, and double click to run it.
Push - Do a systemscan and save a logfile - button
and Highlight the Entire Log by pressing Ctrl+A and Copy it. Post log here
Touch