mazin: I have a few queries if you don't mind as I'm not familiar with this. 1. HKLM uninstall reg keys, is there any reason to have to use REG ADD, rather than simply REG IMPORT (or regedit /s) uninstall.reg? 2. This prog doesn't come with uninstaller, so you have to write your own cmd? 3. How about the dlls, would it be necessary to unregister them? 4. What are the 3 shortcuts in SFX arguments? 5. What steps do I have to take to make the SFX in WinRAR? Oh I like that comment: oh! that's me! OOPS! Thanks as always