Some files like "ARJSDK.DLL" and "BATSCAN.DLL" are not geting deleted?

When my trial version of quick heal was over tried install the newer version but its was not geting installed. so i deleted the folder from the registy. then when i tried deleting the folder from the "c:\Program Files\" it was nt geting deleted. Some files like "ARJSDK.DLL" and... show more When my trial version of quick heal was over tried install the newer version but its was not geting installed. so i deleted the folder from the registy. then when i tried deleting the folder from the "c:\Program Files\" it was nt geting deleted. Some files like "ARJSDK.DLL" and "BATSCAN.DLL" are not geting deleted? How can i delete i delete these files?
3 answers