How do you [make a launcher for ZipInstaller]

I basically used the source from keyfinder portable to save registry and config files.

;Copyright (C) 2004-2008 John T. Haller
;Copyright (C) 2008 App Guy

;Website: http://PortableApps.com/ZipInstaller_PortablePortable

;This software is OSI Certified Open Source Software.
;OSI Certified is a certification mark of the Open Source Initiative.

;This program is free software; you can redistribute it and/or
;modify it under the terms of the GNU General Public License
;as published by the Free Software Foundation; either version 2
;of the License, or (at your option) any later version.

;This program is distributed in the hope that it will be useful,
;but WITHOUT ANY WARRANTY; without even the implied warranty of
;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;GNU General Public License for more details.

;You should have received a copy of the GNU General Public License
;along with this program; if not, write to the Free Software
;Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

!define PORTABLEAPPNAME "ZipInstaller Portable"
!define NAME "ZipInstallerPortable"
!define APPNAME "ZipInstaller"
!define VER "1.5.5.0"
!define WEBSITE "PortableApps.com/DevelopmentTest"
!define DEFAULTEXE "zipinst.exe"
!define DEFAULTAPPDIR "zipinst"
!define DEFAULTSETTINGSPATH "settings"

;=== Program Details
Name "${PORTABLEAPPNAME}"
OutFile "..\..\${NAME}.exe"
Caption "${PORTABLEAPPNAME} | PortableApps.com"
VIProductVersion "${VER}"
VIAddVersionKey ProductName "${PORTABLEAPPNAME}"
VIAddVersionKey Comments "Allows ${APPNAME} to be run from a removable drive.  For additional details, visit ${WEBSITE}"
VIAddVersionKey CompanyName "PortableApps.com"
VIAddVersionKey LegalCopyright "PortableApps.com & Contributers"
VIAddVersionKey FileDescription "${PORTABLEAPPNAME}"
VIAddVersionKey FileVersion "${VER}"
VIAddVersionKey ProductVersion "${VER}"
VIAddVersionKey InternalName "${PORTABLEAPPNAME}"
VIAddVersionKey LegalTrademarks "PortableApps.com is a Trademark of Rare Ideas, LLC."
VIAddVersionKey OriginalFilename "${NAME}.exe"
;VIAddVersionKey PrivateBuild ""
;VIAddVersionKey SpecialBuild ""

;=== Runtime Switches
CRCCheck On
WindowIcon Off
SilentInstall Silent
AutoCloseWindow True
RequestExecutionLevel user

; Best Compression
SetCompress Auto
SetCompressor /SOLID lzma
SetCompressorDictSize 32
SetDatablockOptimize On

;=== Include
!include "GetParameters.nsh"
!include "MUI.nsh"
!include "Registry.nsh"
!include "StrRep.nsh"
!include "FileFunc.nsh"
!include "ReplaceInFile.nsh"

;=== Program Icon
Icon "..\..\App\AppInfo\appicon.ico"

;=== Icon & Stye ===
!define MUI_ICON "..\..\App\AppInfo\appicon.ico"

;=== Languages
!insertmacro MUI_LANGUAGE "English"

LangString LauncherFileNotFound ${LANG_ENGLISH} "${PORTABLEAPPNAME} cannot be started. You may wish to re-install to fix this issue. (ERROR: $MISSINGFILEORPATH could not be found)"
LangString LauncherAlreadyRunning ${LANG_ENGLISH} "Another instance of ${APPNAME} is already running. Please close other instances of ${APPNAME} before launching ${PORTABLEAPPNAME}."
LangString LauncherAskCopyLocal ${LANG_ENGLISH} "${PORTABLEAPPNAME} appears to be running from a location that is read-only. Would you like to temporarily copy it to the local hard drive and run it from there?$\n$\nPrivacy Note: If you say Yes, your personal data within ${PORTABLEAPPNAME} will be temporarily copied to a local drive. Although this copy of your data will be deleted when you close ${PORTABLEAPPNAME}, it may be possible for someone else to access your data later."
LangString LauncherNoReadOnly ${LANG_ENGLISH} "${PORTABLEAPPNAME} can not run directly from a read-only location and will now close."

Var PROGRAMDIRECTORY
Var SETTINGSDIRECTORY
Var ADDITIONALPARAMETERS
Var EXECSTRING
Var PROGRAMEXECUTABLE
Var INIPATH
Var DISABLESPLASHSCREEN
Var FAILEDTORESTOREKEY
Var ISDEFAULTDIRECTORY
Var SECONDARYLAUNCH
Var MISSINGFILEORPATH


Section "Main"
	;=== Check if already running
	System::Call 'kernel32::CreateMutexA(i 0, i 0, t "${NAME}2") i .r1 ?e'
	Pop $0
	StrCmp $0 0 CheckForINI
		StrCpy $SECONDARYLAUNCH "true"

	CheckForINI:
	;=== Find the INI file, if there is one
		IfFileExists "$EXEDIR\${NAME}.ini" "" NoINI
			StrCpy "$INIPATH" "$EXEDIR"
			Goto ReadINI

	ReadINI:
		;=== Read the parameters from the INI file
		ReadINIStr $0 "$INIPATH\${NAME}.ini" "${NAME}" "${APPNAME}Directory"
		StrCpy "$PROGRAMDIRECTORY" "$EXEDIR\$0"
		ReadINIStr $0 "$INIPATH\${NAME}.ini" "${NAME}" "SettingsDirectory"
		StrCpy "$SETTINGSDIRECTORY" "$EXEDIR\$0"

		;=== Check that the above required parameters are present
		IfErrors NoINI

		ReadINIStr $0 "$INIPATH\${NAME}.ini" "${NAME}" "AdditionalParameters"
		StrCpy "$ADDITIONALPARAMETERS" $0
		ReadINIStr $0 "$INIPATH\${NAME}.ini" "${NAME}" "${APPNAME}Executable"
		StrCpy "$PROGRAMEXECUTABLE" $0
		ReadINIStr $0 "$INIPATH\${NAME}.ini" "${NAME}" "DisableSplashScreen"
		StrCpy "$DISABLESPLASHSCREEN" $0

	;CleanUpAnyErrors:
		;=== Any missing unrequired INI entries will be an empty string, ignore associated errors
		ClearErrors

		;=== Correct PROGRAMEXECUTABLE if blank
		StrCmp $PROGRAMEXECUTABLE "" "" CheckForProgramINI
			StrCpy "$PROGRAMEXECUTABLE" "${DEFAULTEXE}"
			Goto CheckForProgramINI
			
	CheckForProgramINI:
		IfFileExists "$PROGRAMDIRECTORY\$PROGRAMEXECUTABLE" FoundProgramEXE NoProgramEXE

	NoINI:
		;=== No INI file, so we'll use the defaults
		StrCpy "$ADDITIONALPARAMETERS" ""
		StrCpy "$PROGRAMEXECUTABLE" "${DEFAULTEXE}"
		StrCpy "$DISABLESPLASHSCREEN" "false"

		IfFileExists "$EXEDIR\App\${DEFAULTAPPDIR}\${DEFAULTEXE}" "" NoProgramEXE
			StrCpy "$PROGRAMDIRECTORY" "$EXEDIR\App\${DEFAULTAPPDIR}"
			StrCpy "$SETTINGSDIRECTORY" "$EXEDIR\Data\${DEFAULTSETTINGSPATH}"
			StrCpy "$ISDEFAULTDIRECTORY" "true"
			GoTo FoundProgramEXE

	NoProgramEXE:
		;=== Program executable not where expected
		StrCpy $MISSINGFILEORPATH $PROGRAMEXECUTABLE
		MessageBox MB_OK|MB_ICONEXCLAMATION `$(LauncherFileNotFound)`
		Abort
		
	FoundProgramEXE:
		;=== Check if already running
		StrCmp $SECONDARYLAUNCH "true" CheckForSettings
		FindProcDLL::FindProc "$PROGRAMEXECUTABLE"                 
		StrCmp $R0 "1" WarnAnotherInstance CheckForSettings

	WarnAnotherInstance:
		MessageBox MB_OK|MB_ICONINFORMATION `$(LauncherAlreadyRunning)`
		Abort
	
	CheckForSettings:
		IfFileExists "$SETTINGSDIRECTORY\*.*" MoveSettings
		;=== No settings found
		StrCmp $ISDEFAULTDIRECTORY "true" CopyDefaultSettings
		CreateDirectory $SETTINGSDIRECTORY
		Goto DisplaySplash
	
	CopyDefaultSettings:
		CreateDirectory "$EXEDIR\Data"
		CreateDirectory "$EXEDIR\Data\settings"
		CopyFiles /SILENT $EXEDIR\App\DefaultData\settings\*.* $EXEDIR\Data\settings
		GoTo MoveSettings

	MoveSettings:
		Rename "$SETTINGSDIRECTORY\zipinst.zic" "$PROGRAMDIRECTORY\zipinst.zic"
		Sleep 200
		
	DisplaySplash:
		StrCmp $DISABLESPLASHSCREEN "true" GetPassedParameters
			;=== Show the splash screen before processing the files
			InitPluginsDir
			File /oname=$PLUGINSDIR\splash.jpg "${NAME}.jpg"	
			newadvsplash::show /NOUNLOAD 1500 200 0 -1 /L $PLUGINSDIR\splash.jpg

	GetPassedParameters:
		;=== Get any passed parameters
		Call GetParameters
		Pop $0
		StrCmp "'$0'" "''" "" LaunchProgramParameters

		;=== No parameters
		StrCpy $EXECSTRING `"$PROGRAMDIRECTORY\$PROGRAMEXECUTABLE"`
		Goto AdditionalParameters

	LaunchProgramParameters:
		StrCpy $EXECSTRING `"$PROGRAMDIRECTORY\$PROGRAMEXECUTABLE" $0`

	AdditionalParameters:
		StrCmp $ADDITIONALPARAMETERS "" RegistryBackup

		;=== Additional Parameters
		StrCpy $EXECSTRING `$EXECSTRING $ADDITIONALPARAMETERS`
	
	SettingsDirectory:
		;=== Set the settings directory if we have a path
		IfFileExists "$SETTINGSDIRECTORY\*.*" RegistryBackup
			CreateDirectory $SETTINGSDIRECTORY

	RegistryBackup:
		StrCmp $SECONDARYLAUNCH "true" LaunchAndExit
		;=== Backup the registry
		${registry::KeyExists} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstallerBackupByZipInstallerPortable" $R0
		StrCmp $R0 "0" RestoreTheKey
		${registry::KeyExists} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstaller" $R0
		StrCmp $R0 "-1" RestoreTheKey
		${registry::MoveKey} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstaller" "HKEY_CURRENT_USER\Software\NirSoft\ZipInstallerBackupByZipInstallerPortable" $R0
		Sleep 100

	RestoreTheKey:
		IfFileExists "$SETTINGSDIRECTORY\ZipInstaller_Portable.reg" "" RestoreTheKey9x

		IfFileExists "$WINDIR\system32\reg.exe" "" RestoreTheKey9x
			nsExec::ExecToStack `"$WINDIR\system32\reg.exe" import "$SETTINGSDIRECTORY\ZipInstaller_Portable.reg"`
			Pop $R0
			StrCmp $R0 '0' LaunchNow ;successfully restored key
	
	RestoreTheKey9x:
		${registry::RestoreKey} "$SETTINGSDIRECTORY\ZipInstaller_Portable.reg" $R0
		StrCmp $R0 '0' LaunchNow ;successfully restored key
		StrCpy $FAILEDTORESTOREKEY "true"
	
	LaunchNow:
		Sleep 100
		ExecWait $EXECSTRING
		
	CheckRunning:
		Sleep 1000
		FindProcDLL::FindProc "${DEFAULTEXE}"                  
		StrCmp $R0 "1" CheckRunning

		StrCmp $FAILEDTORESTOREKEY "true" MoveSettingsToData
		${registry::SaveKey} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstaller" "$SETTINGSDIRECTORY\ZipInstaller_Portable.reg" "" $0
		Sleep 100
		
	MoveSettingsToData:
		Rename "$PROGRAMDIRECTORY\zipinst.zic" "$SETTINGSDIRECTORY\zipinst.zic"
		Sleep 100
		Goto SetOriginalKeyBack

	SetOriginalKeyBack:
		${registry::DeleteKey} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstaller " $R0
		Sleep 100
		${registry::KeyExists} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstallerBackupByZipInstallerPortable" $R0
		StrCmp $R0 "-1" TheEnd
		${registry::MoveKey} "HKEY_CURRENT_USER\Software\NirSoft\ZipInstallerBackupByZipInstallerPortable" "HKEY_CURRENT_USER\Software\NirSoft\ZipInstaller " $R0
		Sleep 100
		Goto TheEnd
		
	LaunchAndExit:
		Exec $EXECSTRING
	
	TheEnd:
		${registry::Unload}
		newadvsplash::stop /WAIT
SectionEnd