It's not a folder I recognise, Newuser4051, what's inside it (if you can find it) and what version of Windows are you using.
As an aside....... if you meant to type:
"DC58 is a Windows System Folder and cannot be deleted."
@DC58 is a Windows System Folder and cannot be [email protected]
I suggest you reset your language settings to English(UK), you have them on English(US).