The mad-swede-to-english translator gives us this : "If I am to help you, you must first tell me if you checked whether the file GTA3.IMG is write-protected (read only)". I think that's what he's trying to say anyway
You can check this attribute by rightclicking on the file in windows explorer and selecting "properties".
PS Krondike you remind me more and more of the swedish chef in the Muppet Show.