rundll error

i keep getting an error message
c:\WINDOWS\system32\qdienxdv.dll
and my computer keeps crashing every time i try to use the internet.
i am using windows xp home.
whats hapenning

  brundle 18:53 15 Sep 08

Spyware infection. Full antivirus scan. Download Malwarebytes Antimalware, download the updates file too (on another machine), boot in safe mode, run the installer, run the updates file, run a complete scan. Direct links; click here

click here

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