HELP! i need to remove globalroot/systemroot/sytem32!

Hi there, i am getting a popup that states "globalroot/systemroot/system32/kbiwkmtxvomvti.dll is either not designed to run on windows or i contains an error, Try installing the program again using the original installation media or contact your system administrator or the software vendor for support"  

 

 

This message is causing many of programs not to open and its stopped norton working all together- it didnt even get a chance to recognise something was wrong..

 

Any suggestions as to how to get rid of this threat?

Thanks so much for your help and support!!!!!