Hi shwa,

Do a full freefixer scan and attach the log txt file, particularly pay attention to recent changes. Get freefixer here:
http://www.freefixer.com/static/freefixersetup.exe

Also do a scan with http://www.backgroundtask.eu/Systeemscan/Setup.exe
http://www.backgroundtask.eu/Systeemscan/Index.php and read the scan info there (for XP and Vista)

Download the application 'Agics System Scan' Agics Systemscan 1.6.0.0. Install the application. Follow the instructions on the screen Agics systemscan 1.6.0.0 has been tested on Windows XP and Vista. Windows 7 support will soon be available. The files will be uploaded to the website using a ftp connection. Files will be automatically removed from our website in four hours.

Manual
Hold the Windows key and press R.
A RUNAutomatic screen comes up. Type Msinfo32 and press ENTER
A system info screen comes forward.
Go to File → Export
Give the file a name and save it somewhere where you can find the file.
Open the file created on this page and press SEND.
Processing can take several minutes,

quote source-link: http://www.computer-support.nl/

polonus