That is known worm: http://www.sophos.com/security/analyses/viruses-and-spyware/w32sohanar.html
First try removing the infection by scanning the system using:
A-squared Free: http://www.emsisoft.com/en/software/download/
Malwarebytes' Anti-Malware: http://www.microsoft.com/mbam.php
Can someone help me on how i can remove this error from my Pc. It pops up at every startup. I run MSCONFIG just to check if i would unche it on my startup list but couldnt find it.
Pliz help Urgently.