Пример NSIS для простого установщика дает кучу записей для записи в реестр.Действительно ли все они необходимы?Что было бы «голым минимумом»?
# Registry information for add/remove programs
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "DisplayName" "${COMPANYNAME} - ${APPNAME} - ${DESCRIPTION}"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "UninstallString" "$\"$INSTDIR\uninstall.exe$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "QuietUninstallString" "$\"$INSTDIR\uninstall.exe$\" /S"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "InstallLocation" "$\"$INSTDIR$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "DisplayIcon" "$\"$INSTDIR\logo.ico$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "Publisher" "$\"${COMPANYNAME}$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "HelpLink" "$\"${HELPURL}$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "URLUpdateInfo" "$\"${UPDATEURL}$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "URLInfoAbout" "$\"${ABOUTURL}$\""
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "DisplayVersion" "$\"${VERSIONMAJOR}.${VERSIONMINOR}.${VERSIONBUILD}$\""
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "VersionMajor" ${VERSIONMAJOR}
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "VersionMinor" ${VERSIONMINOR}
# There is no option for modifying or repairing the install
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "NoModify" 1
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "NoRepair" 1
# Set the INSTALLSIZE constant (!defined at the top of this script) so Add/Remove Programs can accurately report the size
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${COMPANYNAME} ${APPNAME}" "EstimatedSize" ${INSTALLSIZE}
из http://nsis.sourceforge.net/A_simple_installer_with_start_menu_shortcut_and_uninstaller
Кстати: поиск в Google дает только советы о том, как очистить реестр после удаления программы, когда его спрашивают с этимключевые слова.