Dreaded DLL files

[Fridericus Rex]

Let's start by saying that I am not a computer or software expert.

I recently attempted to install a free antivirus program but neede to un-install the software later. I missed the software in the Control Panel and decided to un-install manually. I could delete most of the files but now I am left with some DLL files the system refuses to delete.
This is just junk on my HD - Is there any way to delete these files?

Any advise from the experts?

[Aristocrat]

Start in safe mode, then delete them.

[Fridericus Rex]

Pompey, I did as you suggested and it worked. I have learned something new.

Thank you for your help.