I've seen others managing to make NT4's Explorer run under XP or Vista, but as much as I struggled with Dependency Walker and RegEdit, I didn't manage to do much. So I thought on doing a radical action: completely replace Win2k's Explorer (together with its dependencies - Shell/32.dll,Comctl,Comdlg, etc) with NT4s (no SP) Explorer and dependencies. In my experiments, I realised that Winlogon depended on 2k's shell32.dll and because of it being replaced, the Logon procedure BSOD-ed. At first,