опишите, пожалуйста - что где должно лежать, и что откуда запускать?
я поместил 7-Zip.nsi в папку NSIS.
он выдал
Код:

MakeNSIS v2.05 - Copyright 1999-2005 Nullsoft, Inc.
Portions Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler (zlib).
Portions Copyright (C) 1996-2002 Julian R Seward (bzip2).
Portions Copyright (C) 1999-2003 Igor Pavlov (lzma).
Contributors: nnop@newmail.ru, Ryan Geiss, Andras Varga, Drew Davidson, Peter Wi
ndridge, Dave Laundon, Robert Rainwater, Yaroslav Faybishenko, Jeff Doozan, Amir
Szekely, Ximon Eighteen, et al.
Processing config:
Processing plugin dlls: "C:\PROGRA~1\NSIS\Plugins\*.dll"
- advsplash::show
- Banner::destroy
- Banner::getWindow
- Banner::show
- BgImage::AddImage
- BgImage::AddText
- BgImage::Clear
- BgImage::Destroy
- BgImage::Redraw
- BgImage::SetBg
- BgImage::SetReturn
- BgImage::Sound
- Dialer::AttemptConnect
- Dialer::AutodialHangup
- Dialer::AutodialOnline
- Dialer::AutodialUnattended
- Dialer::GetConnectedState
- InstallOptions::dialog
- InstallOptions::initDialog
- InstallOptions::show
- LangDLL::LangDialog
- Math::Script
- nsExec::Exec
- nsExec::ExecToLog
- nsExec::ExecToStack
- nsisdl::download
- nsisdl::download_quiet
- splash::show
- StartMenu::Select
- System::Alloc
- System::Call
- System::Copy
- System::Free
- System::Get
- System::Int64Op
- System::Store
- TypeLib::GetLibVersion
- TypeLib::Register
- TypeLib::UnRegister
- UserInfo::GetAccountType
- UserInfo::GetName
- VPatch::vpatchfile
!define: "MUI_INSERT_NSISCONF"=""
Changing directory to: "c:\PROGRA~1\NSIS"
Processing script file: "7zip.nsi"
!define: "VERSION_MAJOR"="4"
!define: "VERSION_MINOR"="15"
!define: "VERSION_POSTFIX_FULL"=" beta"
!define: "NAME_FULL"="7-Zip 4.15 beta"
!define: "VERSION_POSTFIX"="b"
!define: "FM_LINK"="7-Zip File Manager.lnk"
!define: "HELP_LINK"="7-Zip Help.lnk"
!define: "CLSID_CONTEXT_MENU"="{23170F69-40C1-278A-1000-000100020000}"
!include: "C:\PROGRA~1\NSIS\Include\Library.nsh"
!define: "LIB_INCLUDED"=""
!define: "SHCNE_ASSOCCHANGED"="0x08000000"
!define: "SHCNF_IDLIST"="0x0000"
!include: closed: "C:\PROGRA~1\NSIS\Include\Library.nsh"
!include: "C:\PROGRA~1\NSIS\Include\MUI.nsh"
!include: "C:\PROGRA~1\NSIS\Contrib\Modern UI\System.nsh"
NSIS Modern User Interface version 1.72 - й 2002-2005 Joost Verburg (C:\PROGRA~1
\NSIS\Contrib\Modern UI\System.nsh:11)
!define: "MUI_VERBOSE"="3"
!include: closed: "C:\PROGRA~1\NSIS\Contrib\Modern UI\System.nsh"
!include: closed: "C:\PROGRA~1\NSIS\Include\MUI.nsh"
Name: "7-Zip 4.15 beta"
BrandingText: "www.7-zip.org"
OutFile: "7z415b.exe"
InstallDir: "$PROGRAMFILES\Archiver\7-Zip"
InstallRegKey: "HKLM\Software\7-Zip\Path"
SilentInstall: silent
SetCompressor: lzma
SetCompressorDictSize: 4 mb
!define: "MUI_ABORTWARNING"=""
!insertmacro: MUI_PAGE_LICENSE
LicenseData: open failed "7zip\License.txt"
Usage: LicenseData local_file_that_has_license_text | license_lang_string
Error in macro MUI_PAGE_LICENSE on macroline 21
Error in script "7zip.nsi" on line 60 -- aborting creation process
может быть, дело в версии 7-zip?