TCP/IP module missing from npqtplugin4.dll.it may be infected by virus

Solution:-
 

Step1 : download mbam from www.malwarebytes.org ,install it and get updates.
Step2 : start scan using mbean ,it shows infected files and registry enties and removes them .
Step3 : it asks for restart ,click ok.

Step4: go to c drive ,tools->folderoptions->view->select show hidden files and folders




















Step5: delete autorun.bat and thb.ico .
some times show hidden files and files option will not work though you selected option .
so in this case u need to delete above files using dos commands.
Step6: Restart you machine .