hijackthis is simply a tool for removing browser hijackers. follow the instructions i pasted here to clean out the rig right and proper. you will need administrator access.
HJT alone will not overcome viruses and other stuff. if you want to do this yourself...
download, install, and update AVG free edition. (free.grisoft.com) do not run a scan.
download, install ad-aware SE personal (
http://www.lavasoftusa.com/software/adaware/.
update definitions file dut do not run a scan.
download, install ccleaner (
http://www.majorgeeks.com/download4191.html, choose not to
install the context options during setup)
download, install ewido security suite (
http://www.ewido.net/en/) uncheck "Install
background guard" and "Install scan via context menu" during installation.
reboot your computer into safe mode by pressing F8 repeatdley during the boot process until
you get a menu. use your arrow keys to select safe mode and hit enter. log into windows as
"administrator", not your normal user account.
run a full system scan in AVG antivirus.
reboot your computer into safe mode by pressing F8 repeatdley during the boot process until
you get a menu. use your arrow keys to select safe mode and hit enter. log into windows as
"administrator", not your normal user account.
run a full system scan in ad-aware. when prompted with the results, check everything except
the "MRU objects" and click "delete" in the bottom right corner.
reboot your computer into safe mode by pressing F8 repeatdley during the boot process until
you get a menu. use your arrow keys to select safe mode and hit enter. log into windows as
"administrator", not your normal user account.
open ewido and run a complete system scan. when it finds its first problem, If Ewido finds
anything, it will pop up a notification. You can select "clean" and check the boxes "Perform
action with all infections" and "Create encrypted backup" before clicking on OK.
open ccleaner, and run the operation "run cleaner" in corner
reboot your computer, letting it boot normally and log into your user account. download
mozilla firefox (
www.mozilla.org) and make it your default browser. when you sue the
internet, use firefox instead of IE to do so.
these operations take out more than 90% of your problems. run hijackthis, save a logfile,
and post it here. and you can uninstall mcaffee, as it is a truly bad product and won't
protect your system. you are far better off with AVG free edition, which costs nothing and
keeps itself up to date.