Hi rahul,
Recently discovered ccleaner.com, it actually cleans unused files but has a section of issues which do what you wish for.
Though it has no competition to Symantec Systemworks.
>Dear Sir/Madam
>
>In VB while testing project we reregister dll many times. Now In Project Refrence we have many dll of the same name so it is very dificult to find which version to use.
>
>Although it was not good practice but now I want to make it more systematic so please advise some good regcleaner programe where I can search and delete the the one which I know it is not required.
>
>Or any programme which gives the option to clean the Project refrence.
>
>In both case I should know which files is being delted