diff --git a/development/Win32/packaging/installer/download.nsh b/development/Win32/packaging/installer/download.nsh
index d9641f4a8b..3382c50d36 100644
--- a/development/Win32/packaging/installer/download.nsh
+++ b/development/Win32/packaging/installer/download.nsh
@@ -16,6 +16,7 @@
 
 !insertmacro LYX_DEFFUNC `ReadDownloadValues`
 !insertmacro LYX_DEFFUNC `EnableBrowseControls`
+!insertmacro LYX_DEFFUNC `SearchRegistry`
 !insertmacro LYX_DEFFUNC `DownloadEnter`
 !insertmacro LYX_DEFFUNC `DownloadLeave`
 
@@ -133,12 +134,65 @@
 !macroend
 
 
-!macro DownloadEnter_Private ExePath RegistryKey RegistrySubKey RemoveFromPath AddtoPath Required DownloadLabel HomeLabel PageHeader PageDescription
- !define skipBackupLbl "skipBackup_${__LINE__}"
+!macro SearchRegistry_Private ExePath RegistryKey RegistrySubKey RemoveFromPath AddtoPath
 
-  StrCpy ${ExePath} ""
-  ReadRegStr ${ExePath} HKLM "${RegistryKey}" "${RegistrySubKey}"
+  ${if} ${ExePath} == ""
+    ReadRegStr ${ExePath} HKLM "${RegistryKey}" "${RegistrySubKey}"
+    ${if} ${ExePath} != ""
+      ${StrRep} "${ExePath}" "${ExePath}" "${RemoveFromPath}" ""
+      StrCpy ${ExePath} "${ExePath}${AddtoPath}"
+    ${endif}
+  ${endif}
 
+!macroend
+
+
+!macro LYX_FUNCTION_SearchRegistry
+  !insertmacro LYX_FUNC `SearchRegistry`
+
+    ; The stack contains:
+    ; TOP
+    ; ExePath
+    ; RegistryKey
+    ; RegistrySubKey
+    ; RemoveFromPath
+    ; AddtoPath
+
+    ; After this point:
+    ; $0 = ExePath
+    ; $1 = RegistryKey
+    ; $2 = RegistrySubKey
+    ; $3 = RemoveFromPath
+    ; $4 = AddtoPath
+
+    Exch $0
+    Exch
+    Exch $1
+    Exch 2
+    Exch $2
+    Exch 3
+    Exch $3
+    Exch 4
+    Exch $4
+
+    ; Use a macro simply to make life understandable.
+    !insertmacro SearchRegistry_Private "$0" "$1" "$2" "$3" "$4"
+
+    ; Return output to user.
+    Exch $4
+    Exch 4
+    Exch $3
+    Exch 3
+    Exch $2
+    Exch 2
+    Exch $1
+    Exch
+    Exch $0
+  FunctionEnd
+!macroend
+
+
+!macro DownloadEnter_Private ExePath Required DownloadLabel HomeLabel PageHeader PageDescription
   !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 1" "Text" ""
   !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 2" "Text" "$(DownloadPageField2)"
 
@@ -155,18 +209,17 @@
   !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 3" "Text" "${DownloadLabel}"
   !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 4" "Text" "${HomeLabel}"
 
+
   ${if} ${ExePath} == ""
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 3" "State" "1"
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 4" "State" "0"
-    !insertmacro MUI_INSTALLOPTIONS_READ $0 "ioDownload.ini" "Field 5" "Flags"
-    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 5" "Flags" $0|DISABLED
+    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 5" "Flags" PATH_MUST_EXIST|DISABLED
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 5" "State" ""
   ${else}
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 3" "State" "0"
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 4" "State" "1"
+    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 5" "Flags" PATH_MUST_EXIST
 
-    ${StrRep} "${ExePath}" "${ExePath}" "${RemoveFromPath}" ""
-    StrCpy ${ExePath} "${ExePath}${AddtoPath}"
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioDownload.ini" "Field 5" "State" "${ExePath}"
   ${endif}
 
@@ -174,7 +227,6 @@
 
   !insertmacro MUI_HEADER_TEXT "${PageHeader}" "${PageDescription}"
   !insertmacro MUI_INSTALLOPTIONS_DISPLAY "ioDownload.ini"
- !undef skipBackupLbl
 !macroend
 
 
@@ -184,10 +236,6 @@
     ; The stack contains:
     ; TOP
     ; ExePath
-    ; RegistryKey
-    ; RegistrySubKey
-    ; RemoveFromPath
-    ; AddtoPath
     ; Required
     ; DownloadLabel
     ; HomeLabel
@@ -196,15 +244,11 @@
 
     ; After this point:
     ; $0 = ExePath
-    ; $1 = RegistryKey
-    ; $2 = RegistrySubKey
-    ; $3 = RemoveFromPath
-    ; $4 = AddtoPath
-    ; $5 = Required
-    ; $6 = DownloadLabel
-    ; $7 = HomeLabel
-    ; $8 = PageHeader
-    ; $9 = PageDescription
+    ; $1 = Required
+    ; $2 = DownloadLabel
+    ; $3 = HomeLabel
+    ; $4 = PageHeader
+    ; $5 = PageDescription
 
     Exch $0
     Exch
@@ -217,27 +261,11 @@
     Exch $4
     Exch 5
     Exch $5
-    Exch 6
-    Exch $6
-    Exch 7
-    Exch $7
-    Exch 8
-    Exch $8
-    Exch 9
-    Exch $9
 
     ; Use a macro simply to make life understandable.
-    !insertmacro DownloadEnter_Private "$0" "$1" "$2" "$3" "$4" "$5" "$6" "$7" "$8" "$9"
+    !insertmacro DownloadEnter_Private "$0" "$1" "$2" "$3" "$4" "$5"
 
     ; Return output to user.
-    Exch $9
-    Exch 9
-    Exch $8
-    Exch 8
-    Exch $7
-    Exch 7
-    Exch $6
-    Exch 6
     Exch $5
     Exch 5
     Exch $4
@@ -254,7 +282,6 @@
 
 
 !macro DownloadLeave_Private DoNotRequire Download FolderPath URL EnterFolder ExeName InvalidFolder
- !define skipBackupLbl "skipBackup_${__LINE__}"
   !insertmacro MUI_INSTALLOPTIONS_READ $0 "ioDownload.ini" "Settings" "State"
 
   StrCmp $0 0 go_on  ; Next button?
@@ -271,7 +298,8 @@ go_on:
     StrCpy ${FolderPath} ""
     ExecShell open "${URL}"
   ${else}
-    ${StrTrim} ${FolderPath}
+    ${StrTrim} ${FolderPath} ${FolderPath}
+    ${StrRTrimChar} ${FolderPath} ${FolderPath} '\'
 
     ${if} ${FolderPath} == ""
       MessageBox MB_OK "${EnterFolder}"
@@ -280,8 +308,9 @@ go_on:
 
     ${if} ${FileExists} "${FolderPath}"
       ${StrRep} ${FolderPath} ${FolderPath} "${ExeName}" ""
+      ${StrRTrimChar} ${FolderPath} ${FolderPath} '\'
 
-      ${if} ${FileExists} "${FolderPath}${ExeName}"
+      ${if} ${FileExists} "${FolderPath}\${ExeName}"
       ${else}
         MessageBox MB_OK "${InvalidFolder}"
         Abort
@@ -291,7 +320,6 @@ go_on:
       Abort
     ${endif}
   ${endif}
- !undef skipBackupLbl
 !macroend
 
 
@@ -370,17 +398,32 @@ go_on:
 !macroend
 
 
-!macro LYX_FUNCTION_DownloadEnter_Call ExePath RegistryKey RegistrySubKey RemoveFromPath AddtoPath Required DownloadLabel HomeLabel PageHeader PageDescription
-  Push `${PageDescription}`
-  Push `${PageHeader}`
-  Push `${HomeLabel}`
-  Push `${DownloadLabel}`
-  Push `${Required}`
+!macro LYX_FUNCTION_SearchRegistry_Call ExePath RegistryKey RegistrySubKey RemoveFromPath AddtoPath
   Push `${AddtoPath}`
   Push `${RemoveFromPath}`
   Push `${RegistrySubKey}`
   Push `${RegistryKey}`
   Push `${ExePath}`
+
+  Call SearchRegistry
+  ; Empty the stack of all the stuff we've just added.
+  ; We're not interested in most of it, so just fill $0 repeatedly.
+
+  Pop `${ExePath}`
+  Pop `$0`
+  Pop `$0`
+  Pop `$0`
+  Pop `$0`
+!macroend
+
+
+!macro LYX_FUNCTION_DownloadEnter_Call ExePath Required DownloadLabel HomeLabel PageHeader PageDescription
+  Push `${PageDescription}`
+  Push `${PageHeader}`
+  Push `${HomeLabel}`
+  Push `${DownloadLabel}`
+  Push `${Required}`
+  Push `${ExePath}`
   Call DownloadEnter
   ; Empty the stack of all the stuff we've just added.
   ; We're not interested in keeping it, so just fill $0 repeatedly.
@@ -390,10 +433,6 @@ go_on:
   Pop `$0`
   Pop `$0`
   Pop `$0`
-  Pop `$0`
-  Pop `$0`
-  Pop `$0`
-  Pop `$0`
 !macroend
 
 
diff --git a/development/Win32/packaging/installer/ioDownload.ini b/development/Win32/packaging/installer/ioDownload.ini
index e5e3ddb0f1..3d568e93c2 100644
--- a/development/Win32/packaging/installer/ioDownload.ini
+++ b/development/Win32/packaging/installer/ioDownload.ini
@@ -39,4 +39,3 @@ Left=5
 Right=-1
 Top=47
 Bottom=58
-Flags=PATH_MUST_EXIST
\ No newline at end of file
diff --git a/development/Win32/packaging/installer/ioSummary.ini b/development/Win32/packaging/installer/ioSummary.ini
index 9205c9ca20..0fb6a70f2e 100644
--- a/development/Win32/packaging/installer/ioSummary.ini
+++ b/development/Win32/packaging/installer/ioSummary.ini
@@ -1,16 +1,9 @@
 [Settings]
-NumFields=2
+NumFields=1
 
 [Field 1]
 Type=Label
 Left=5
 Right=-1
 Top=0
-Bottom=20
-
-[Field 2]
-Type=Label
-Left=5
-Right=-1
-Top=21
 Bottom=60
diff --git a/development/Win32/packaging/installer/lyx_installer.nsi b/development/Win32/packaging/installer/lyx_installer.nsi
index 233f2ca367..2340150519 100644
--- a/development/Win32/packaging/installer/lyx_installer.nsi
+++ b/development/Win32/packaging/installer/lyx_installer.nsi
@@ -58,10 +58,15 @@ InstallDir "$PROGRAMFILES\${PRODUCT_NAME}"
 
 ; Declare used functions
 ${StrLoc}
+${StrNSISToIO}
 ${StrRep}
 ${StrTrim}
+${StrLTrim}
+${StrRTrim}
+${StrRTrimChar}
 ${ReadDownloadValues}
 ${EnableBrowseControls}
+${SearchRegistry}
 ${DownloadEnter}
 ${DownloadLeave}
 
@@ -165,6 +170,7 @@ Page custom SummariseDownloads SummariseDownloads_LeaveFunction
 !insertmacro MUI_LANGUAGE "Spanish"
 !insertmacro MUI_LANGUAGE "French"
 !insertmacro MUI_LANGUAGE "Dutch"
+!insertmacro MUI_LANGUAGE "Swedish"
 
 !include "lyx_languages\english.nsh"
 !include "lyx_languages\danish.nsh"
@@ -172,6 +178,7 @@ Page custom SummariseDownloads SummariseDownloads_LeaveFunction
 !include "lyx_languages\french.nsh"
 !include "lyx_languages\german.nsh"
 !include "lyx_languages\spanish.nsh"
+!include "lyx_languages\swedish.nsh"
 
 LicenseData "$(LyXLicenseData)"
 
@@ -303,15 +310,19 @@ Function .onInit
     !undef READ_ONLY
   ${endif}
 
+  Call SearchMinSYS
+  Call SearchPython
+  Call SearchMiKTeX
+  Call SearchPerl
+  Call SearchGhostscript
+  Call SearchImageMagick
+
   ClearErrors
 FunctionEnd
 
 ;--------------------------------
 
-Function DownloadMinSYS
-  StrCpy $MinSYSPath ""
-  StrCpy $DownloadMinSYS "0"
-
+Function SearchMinSYS
   ; Search the registry for the MinSYS uninstaller.
   ; If successful, put its location in $2.
   StrCpy $3 "Software\Microsoft\Windows\CurrentVersion\Uninstall"
@@ -334,9 +345,19 @@ Function DownloadMinSYS
     Goto loop
   done:
 
+  ${SearchRegistry} \
+      $MinSYSPath \
+      "$2" \
+      "Inno Setup: App Path" \
+      "" \
+      "\bin"
+FunctionEnd
+
+Function DownloadMinSYS
+  StrCpy $DownloadMinSYS "0"
+
   ${DownloadEnter} \
-      $MinSYSPath "$2" "Inno Setup: App Path" \
-      "" "\bin" \
+      $MinSYSPath \
       0 \
       "$(MinSYSDownloadLabel)" \
       "$(MinSYSFolderLabel)" \
@@ -351,19 +372,26 @@ Function DownloadMinSYS_LeaveFunction
       $MinSYSPath \
       "http://sourceforge.net/project/showfiles.php?group_id=2435&package_id=82721&release_id=158803" \
       "$(EnterMinSYSFolder)" \
-      "\sh.exe" \
+      "sh.exe" \
       "$(InvalidMinSYSFolder)"
 FunctionEnd
 
 ;--------------------------------
 
+Function SearchPython
+  ${SearchRegistry} \
+      $PythonPath \
+      "Software\Microsoft\Windows\CurrentVersion\App Paths\Python.exe" \
+      "" \
+      "\Python.exe" \
+      ""
+FunctionEnd
+
 Function DownloadPython
-  StrCpy $PythonPath ""
   StrCpy $DownloadPython "0"
 
   ${DownloadEnter} \
-      $PythonPath "Software\Microsoft\Windows\CurrentVersion\App Paths\Python.exe" "" \
-      "\Python.exe" "" \
+      $PythonPath \
       0 \
       "$(PythonDownloadLabel)" \
       "$(PythonFolderLabel)" \
@@ -378,20 +406,27 @@ Function DownloadPython_LeaveFunction
       $PythonPath \
       "http://www.python.org/download/" \
       "$(EnterPythonFolder)" \
-      "\Python.exe" \
+      "Python.exe" \
       "$(InvalidPythonFolder)"
 FunctionEnd
 
 ;--------------------------------
 
+Function SearchMiKTeX
+  ${SearchRegistry} \
+      $MiKTeXPath \
+      "Software\MiK\MiKTeX\CurrentVersion\MiKTeX" \
+      "Install Root" \
+      "" \
+      "\miktex\bin"
+FunctionEnd
+
 Function DownloadMiKTeX
   StrCpy $DoNotRequireMiKTeX "1"
-  StrCpy $MiKTeXPath ""
   StrCpy $DownloadMiKTeX "0"
 
   ${DownloadEnter} \
-      $MiKTeXPath "Software\MiK\MiKTeX\CurrentVersion\MiKTeX" "Install Root" \
-      "" "\miktex\bin" \
+      $MiKTeXPath \
       1 \
       "$(MiKTeXDownloadLabel)" \
       "$(MiKTeXFolderLabel)" \
@@ -406,20 +441,27 @@ Function DownloadMiKTeX_LeaveFunction
       $MiKTeXPath \
       "http://www.miktex.org/setup.html" \
       "$(EnterMiKTeXFolder)" \
-      "\latex.exe" \
+      "latex.exe" \
       "$(InvalidMiKTeXFolder)"
 FunctionEnd
 
 ;--------------------------------
 
+Function SearchPerl
+  ${SearchRegistry} \
+      $PerlPath \
+      "Software\Perl" \
+      BinDir \
+      "\perl.exe" \
+      ""
+FunctionEnd
+
 Function DownloadPerl
   StrCpy $DoNotRequirePerl "1"
-  StrCpy $PerlPath ""
   StrCpy $DownloadPerl "1"
 
   ${DownloadEnter} \
-      $PerlPath "Software\Perl" BinDir \
-      "\perl.exe" "" \
+      $PerlPath \
       1 \
       "$(PerlDownloadLabel)" \
       "$(PerlFolderLabel)" \
@@ -434,15 +476,31 @@ Function DownloadPerl_LeaveFunction
       $PerlPath \
       "http://www.activestate.com/Products/ActivePerl/" \
       "$(EnterPerlFolder)" \
-      "\perl.exe" \
+      "perl.exe" \
       "$(InvalidPerlFolder)"
 FunctionEnd
 
 ;--------------------------------
 
+Function SearchGhostscript
+  ; Find which version of ghostscript, if any, is installed.
+  EnumRegKey $1 HKLM "Software\AFPL Ghostscript" 0
+  ${if} $1 != ""
+    StrCpy $0 "Software\AFPL Ghostscript\$1"
+  ${else}
+    StrCpy $0 ""
+  ${endif}
+
+  ${SearchRegistry} \
+      $GhostscriptPath \
+      "$0" \
+      "GS_DLL" \
+      "\gsdll32.dll" \
+      ""
+FunctionEnd
+
 Function DownloadGhostscript
   StrCpy $DoNotRequireGhostscript "1"
-  StrCpy $GhostscriptPath ""
   StrCpy $DownloadGhostscript "0"
 
   ; Find which version of ghostscript, if any, is installed.
@@ -454,8 +512,7 @@ Function DownloadGhostscript
   ${endif}
 
   ${DownloadEnter} \
-      $GhostscriptPath "$0" "GS_DLL" \
-      "\gsdll32.dll" "" \
+      $GhostscriptPath \
       1 \
       "$(GhostscriptDownloadLabel)" \
       "$(GhostscriptFolderLabel)" \
@@ -470,20 +527,27 @@ Function DownloadGhostscript_LeaveFunction
       $GhostscriptPath \
       "http://www.cs.wisc.edu/~ghost/doc/AFPL/index.htm" \
       "$(EnterGhostscriptFolder)" \
-      "\gswin32c.exe" \
+      "gswin32c.exe" \
       "$(InvalidGhostscriptFolder)"
 FunctionEnd
 
 ;--------------------------------
 
+Function SearchImageMagick
+  ${SearchRegistry} \
+      $ImageMagickPath \
+      "Software\ImageMagick\Current" \
+      "BinPath" \
+      "" \
+      ""
+FunctionEnd
+
 Function DownloadImageMagick
   StrCpy $DoNotRequireImageMagick "1"
-  StrCpy $ImageMagickPath ""
   StrCpy $DownloadImageMagick "0"
 
   ${DownloadEnter} \
-      $ImageMagickPath "Software\ImageMagick\Current" "BinPath" \
-      "" "" \
+      $ImageMagickPath \
       1 \
       "$(ImageMagickDownloadLabel)" \
       "$(ImageMagickFolderLabel)" \
@@ -498,7 +562,7 @@ Function DownloadImageMagick_LeaveFunction
       $ImageMagickPath \
       "http://www.imagemagick.org/script/binary-releases.php" \
       "$(EnterImageMagickFolder)" \
-      "\convert.exe" \
+      "convert.exe" \
       "$(InvalidImageMagickFolder)"
 FunctionEnd
 
@@ -536,10 +600,10 @@ Function SummariseDownloads
 
   ${if} "$DoNotInstallLyX" == 1
     !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSummary.ini" "Field 1" "Text" "$(SummaryPleaseInstall)"
-    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSummary.ini" "Field 2" "Text" ""
   ${else}
-    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSummary.ini" "Field 1" "Text" "$(SummaryPathPrefix)"
-    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSummary.ini" "Field 2" "Text" "$PathPrefix"
+    ${StrNSISToIO} $0 '$PathPrefix'
+    StrCpy $0 "$(SummaryPathPrefix)\r\n\r\n$0"
+    !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSummary.ini" "Field 1" "Text" "$0"
   ${endif}
 
   !insertmacro MUI_HEADER_TEXT "$(SummaryTitle)" ""
diff --git a/development/Win32/packaging/installer/lyx_languages/german.nsh b/development/Win32/packaging/installer/lyx_languages/german.nsh
index e0ea9b4c1b..246cf56e54 100644
--- a/development/Win32/packaging/installer/lyx_languages/german.nsh
+++ b/development/Win32/packaging/installer/lyx_languages/german.nsh
@@ -12,10 +12,10 @@ LangString SecAllUsersTitle "${LYX_LANG}" "F
 LangString SecFileAssocTitle "${LYX_LANG}" "Dateizuordnungen"
 LangString SecDesktopTitle "${LYX_LANG}" "Desktopsymbol"
 
-LangString SecCoreDescription "${LYX_LANG}" "Die ${PRODUCT_NAME} Datei."
+LangString SecCoreDescription "${LYX_LANG}" "Das Programm ${PRODUCT_NAME}."
 LangString SecAllUsersDescription "${LYX_LANG}" "Für alle Nutzer oder nur für den aktuellen Nutzer installieren. (Dazu werden Administratorrechte benötigt.)"
 LangString SecFileAssocDescription "${LYX_LANG}" "Vernüpfung zwischen ${PRODUCT_NAME} und der .lyx Dateiendung."
-LangString SecDesktopDescription "${LYX_LANG}" "Ein ${PRODUCT_NAME} Symbol auf dem Desktop."
+LangString SecDesktopDescription "${LYX_LANG}" "Verknüpfung zu ${PRODUCT_NAME} auf dem Desktop."
 
 LangString ModifyingConfigureFailed "${LYX_LANG}" "Der 'path_prefix' (Liste mit Programmpfaden) konnte nicht im Konfigurationsskript gesetzt werden."
 LangString RunConfigureFailed "${LYX_LANG}" "Konnte das Konfigurationsskript nicht ausführen."
@@ -33,7 +33,7 @@ LangString MinSYSDownloadLabel "${LYX_LANG}" "&MinSYS herunterladen"
 LangString MinSYSFolderLabel "${LYX_LANG}" "&Ordner der die Datei sh.exe enthält"
 
 LangString PythonHeader "${LYX_LANG}" "Python"
-LangString PythonDescription "${LYX_LANG}" "Ein Interpreter der Skriptspreche Python (www.python.org) ist notwendig damit ${PRODUCT_NAME} Skripte ausführen kann."
+LangString PythonDescription "${LYX_LANG}" "Ein Interpreter der Skriptsprache Python (www.python.org) ist notwendig damit ${PRODUCT_NAME} Skripte ausführen kann."
 LangString EnterPythonFolder "${LYX_LANG}" "Geben sie den Pfad zur Datei python.exe an."
 LangString InvalidPythonFolder "${LYX_LANG}" "Kann die Datei python.exe nicht finden."
 LangString PythonDownloadLabel "${LYX_LANG}" "&Python herunterladen"
@@ -61,7 +61,7 @@ LangString ImageMagickDownloadLabel "${LYX_LANG}" "&ImageMagic herunterladen"
 LangString ImageMagickFolderLabel "${LYX_LANG}" "&Ordner der die Datei convert.exe enthält"
 
 LangString GhostscriptHeader "${LYX_LANG}" "Ghostscript"
-LangString GhostscriptDescription "${LYX_LANG}" "Ghostscript (http://www.cs.wisc.edu/~ghost/) wird für PDF- und PostScript-Grafikendateien benötigt."
+LangString GhostscriptDescription "${LYX_LANG}" "Ghostscript (http://www.cs.wisc.edu/~ghost/) wird für PDF- und PostScript-Grafikdateien benötigt."
 LangString EnterGhostscriptFolder "${LYX_LANG}" "Geben sie den Pfad zur Datei gswin32c.exe an."
 LangString InvalidGhostscriptFolder "${LYX_LANG}" "Kann die Datei gswin32c.exe nicht finden."
 LangString GhostscriptDownloadLabel "${LYX_LANG}" "&Ghostscript herunterladen"
diff --git a/development/Win32/packaging/installer/lyx_languages/swedish.nsh b/development/Win32/packaging/installer/lyx_languages/swedish.nsh
new file mode 100644
index 0000000000..32caeec375
--- /dev/null
+++ b/development/Win32/packaging/installer/lyx_languages/swedish.nsh
@@ -0,0 +1,91 @@
+!ifndef _LYX_LANGUAGES_SWEDISH_NSH_
+!define _LYX_LANGUAGES_SWEDISH_NSH_
+
+!ifdef LYX_LANG
+  !undef LYX_LANG
+!endif
+!define LYX_LANG ${LANG_SWEDISH}
+
+!define SwedishInputFolderPath "Var god mata in sökvägen till katalogen som innehåller"
+!define SwedishUnableToFind "Kan inte hitta"
+!define SwedishDownload "&Ladda ner"
+!define SwedishFolderContaining "&Katalog innehållande"
+
+LicenseLangString LyXLicenseData ${LYX_LANG} "${PRODUCT_LICENSE_FILE}"
+
+LangString SecAllUsersTitle "${LYX_LANG}" "Installera för alla användare?"
+LangString SecFileAssocTitle "${LYX_LANG}" "Filassociationer"
+LangString SecDesktopTitle "${LYX_LANG}" "Skrivbordsikon"
+
+LangString SecCoreDescription "${LYX_LANG}" "${PRODUCT_NAME}-filer."
+LangString SecAllUsersDescription "${LYX_LANG}" "Installera för alla användare, eller enbart för den aktuella användare. (Kräver administratörsrättigheter.)"
+LangString SecFileAssocDescription "${LYX_LANG}" "Skapa en association mellan programmet och filtilläget .lyx."
+LangString SecDesktopDescription "${LYX_LANG}" "En ${PRODUCT_NAME}ikon på skrivbordet."
+
+LangString ModifyingConfigureFailed "${LYX_LANG}" "Misslyckades med att sätta  'path_prefix' i konfigurationsskriptet"
+LangString RunConfigureFailed "${LYX_LANG}" "Misslyckades med att köra konfigurationsskriptet"
+
+LangString FinishPageMessage "${LYX_LANG}" "Gratulerar! LyX har installerats framgångsrikt."
+LangString FinishPageRun "${LYX_LANG}" "Kör LyX"
+
+LangString DownloadPageField2 "${LYX_LANG}" "Installera &ej"
+
+LangString MinSYSHeader "${LYX_LANG}" "MinSYS"
+LangString MinSYSDescription "${LYX_LANG}" "MinSYS är en minimal UNIX-liknande skriptmiljö (www.mingw.org/msys.shtml) som ${PRODUCT_NAME} behöver för att använda ett flertal skript."
+LangString EnterMinSYSFolder "${LYX_LANG}" "${SwedishInputFolderPath} sh.exe"
+LangString InvalidMinSYSFolder "${LYX_LANG}" "${SwedishUnableToFind} sh.exe"
+LangString MinSYSDownloadLabel "${LYX_LANG}" "${SwedishDownload} MinSYS"
+LangString MinSYSFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} sh.exe"
+
+LangString PythonHeader "${LYX_LANG}" "Python"
+LangString PythonDescription "${LYX_LANG}" "Skriptspråket Python (www.python.org) bör installeras, annars kan inte ${PRODUCT_NAME} använda ett flertal skript."
+LangString EnterPythonFolder "${LYX_LANG}" "${SwedishInputFolderPath} Python.exe"
+LangString InvalidPythonFolder "${LYX_LANG}" "${SwedishUnableToFind} Python.exe"
+LangString PythonDownloadLabel "${LYX_LANG}" "${SwedishDownload} Python"
+LangString PythonFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} Python.exe"
+
+LangString MiKTeXHeader "${LYX_LANG}" "MiKTeX"
+LangString MiKTeXDescription "${LYX_LANG}" "MiKTeX (www.miktex.org) aktuell (nyligen uppdaterad) implementation av TeX för Windows."
+LangString EnterMiKTeXFolder "${LYX_LANG}" "${SwedishInputFolderPath} latex.exe"
+LangString InvalidMiKTeXFolder "${LYX_LANG}" "${SwedishUnableToFind} latex.exe"
+LangString MiKTeXDownloadLabel "${LYX_LANG}" "${SwedishDownload} MiKTeX"
+LangString MiKTeXFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} latex.exe"
+
+LangString PerlHeader "${LYX_LANG}" "Perl"
+LangString PerlDescription "${LYX_LANG}" "Om du räknar med att använda reLyX för att konvertera LaTeX-dokument till LyX-dokument, måste du installera Perl (www.perl.com)."
+LangString EnterPerlFolder "${LYX_LANG}" "${SwedishInputFolderPath} Perl.exe"
+LangString InvalidPerlFolder "${LYX_LANG}" "${SwedishUnableToFind} Perl.exe"
+LangString PerlDownloadLabel "${LYX_LANG}" "${SwedishDownload} Perl"
+LangString PerlFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} perl.exe"
+
+LangString ImageMagickHeader "${LYX_LANG}" "ImageMagick"
+LangString ImageMagickDescription "${LYX_LANG}" "Verktygen i paketet ImageMagick (www.imagemagick.org/script/index.php) kan användas av LyX för att konvertera mellan de flesta grafikformat."
+LangString EnterImageMagickFolder "${LYX_LANG}" "${SwedishInputFolderPath} convert.exe"
+LangString InvalidImageMagickFolder "${LYX_LANG}" "${SwedishUnableToFind} convert.exe"
+LangString ImageMagickDownloadLabel "${LYX_LANG}" "${SwedishDownload} ImageMagick"
+LangString ImageMagickFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} convert.exe"
+
+LangString GhostscriptHeader "${LYX_LANG}" "Ghostscript"
+LangString GhostscriptDescription "${LYX_LANG}" "Ghostscript (http://www.cs.wisc.edu/~ghost/) används till att konvertera bilder till/från PostScript."
+LangString EnterGhostscriptFolder "${LYX_LANG}" "${SwedishInputFolderPath} gswin32c.exe"
+LangString InvalidGhostscriptFolder "${LYX_LANG}" "${SwedishUnableToFind} gswin32c.exe"
+LangString GhostscriptDownloadLabel "${LYX_LANG}" "${SwedishDownload} Ghostscript"
+LangString GhostscriptFolderLabel "${LYX_LANG}" "${SwedishFolderContaining} gswin32c.exe"
+
+LangString SummaryTitle "${LYX_LANG}" "Mjukvarusammanfattning"
+LangString SummaryPleaseInstall "${LYX_LANG}" "Var god installera först dina nedladdade filer och kör sedan LyXs installationsprogram igen."
+LangString SummaryPathPrefix "${LYX_LANG}" "En 'path_prefix'-sträng kommer att läggas till i filen 'lyxrc.defaults' innehållande följande:"
+
+LangString UnNotInRegistryLabel "${LYX_LANG}" "${SwedishUnableToFind} $(^Name) i registret\r$\nGenvägar på skrivbordet och i startmeny kommer inte att tas bort."
+LangString UnNotAdminLabel "${LYX_LANG}" "Tyvärr! Du måste ha administratörsrättigheter för\r$\natt avinstallera $(^Name)."
+LangString UnReallyRemoveLabel "${LYX_LANG}" "Är du säker på att du verkligen vill fullständigt avinstallera $(^Name) och alla dess komponenter?"
+LangString UnRemoveSuccessLabel "${LYX_LANG}" "$(^Name) har framgångsrikt avinstallerats från din dator."
+
+!undef SwedishInputFolderPath
+!undef SwedishUnableToFind
+!undef SwedishDownload
+!undef SwedishFolderContaining
+
+!undef LYX_LANG
+
+!endif ; _LYX_LANGUAGES_SWEDISH_NSH_
diff --git a/development/Win32/packaging/installer/lyx_path_prefix.C b/development/Win32/packaging/installer/lyx_path_prefix.C
index 601818600b..5255183b6a 100644
--- a/development/Win32/packaging/installer/lyx_path_prefix.C
+++ b/development/Win32/packaging/installer/lyx_path_prefix.C
@@ -290,7 +290,9 @@ void __declspec(dllexport) run_configure(HWND hwndParent, int string_size, char
 		return;
 	}
 
-	std::string const command = std::string("start /WAIT /B sh.exe ") + configure_file;
+	// Even "start /WAIT /B sh.exe configure" returns
+	// before the script is done, so just invoke "sh" directly.
+	std::string const command = std::string("sh.exe ") + configure_file;
 	if (system(command.c_str()) != 0) {
 		pushstring("-1");
 		return;
diff --git a/development/Win32/packaging/installer/strtrim.nsh b/development/Win32/packaging/installer/strtrim.nsh
index a5857395b0..8a5af35211 100644
--- a/development/Win32/packaging/installer/strtrim.nsh
+++ b/development/Win32/packaging/installer/strtrim.nsh
@@ -3,10 +3,13 @@
 
 !include "lyxfunc.nsh"
 
+!insertmacro LYX_DEFFUNC `StrLTrim`
+!insertmacro LYX_DEFFUNC `StrRTrim`
 !insertmacro LYX_DEFFUNC `StrTrim`
+!insertmacro LYX_DEFFUNC `StrRTrimChar`
 
-!macro LYX_FUNCTION_StrTrim
-  !insertmacro LYX_FUNC `StrTrim`
+!macro LYX_FUNCTION_StrLTrim
+  !insertmacro LYX_FUNC `StrLTrim`
 
     ; After this point:
     ; $0 = String (input)
@@ -22,12 +25,35 @@ Loop:
     StrCmp "$1" "$\r" TrimLeft
     StrCmp "$1" "$\n" TrimLeft
     StrCmp "$1" "	" TrimLeft ; this is a tab.
-    GoTo Loop2
+    GoTo Done
 TrimLeft:
     StrCpy $0 "$0" "" 1
     Goto Loop
 
-Loop2:
+Done:
+    Pop $1
+    Exch $0
+  FunctionEnd
+!macroend
+
+!macro LYX_FUNCTION_StrLTrim_Call Output Input
+  Push `${Input}`
+  Call StrLTrim
+  Pop `${Output}`
+!macroend
+
+!macro LYX_FUNCTION_StrRTrim
+  !insertmacro LYX_FUNC `StrRTrim`
+
+    ; After this point:
+    ; $0 = String (input)
+    ; $1 = Temp (temp)
+
+    ; Get input from user
+    Exch $0
+    Push $1
+
+Loop:
     StrCpy $1 "$0" 1 -1
     StrCmp "$1" " " TrimRight
     StrCmp "$1" "$\r" TrimRight
@@ -36,7 +62,7 @@ Loop2:
     GoTo Done
 TrimRight:
     StrCpy $0 "$0" -1
-    Goto Loop2
+    Goto Loop
 
 Done:
     Pop $1
@@ -44,10 +70,58 @@ Done:
   FunctionEnd
 !macroend
 
-!macro LYX_FUNCTION_StrTrim_Call String
-  Push `${String}`
+!macro LYX_FUNCTION_StrRTrim_Call Output Input
+  Push `${Input}`
+  Call StrRTrim
+  Pop `${Output}`
+!macroend
+
+!macro LYX_FUNCTION_StrTrim
+  !insertmacro LYX_FUNC `StrTrim`
+    Call StrLTrim
+    Call StrRTrim
+  FunctionEnd
+!macroend
+
+!macro LYX_FUNCTION_StrTrim_Call Output Input
+  Push `${Input}`
   Call StrTrim
-  Pop `${String}`
+  Pop `${Output}`
+!macroend
+
+!macro LYX_FUNCTION_StrRTrimChar
+  !insertmacro LYX_FUNC `StrRTrimChar`
+
+    ; After this point:
+    ; $0 = Input
+    ; $1 = Char
+    ; $2 = Temp
+
+    ; Get input from user
+    Exch $0
+    Exch
+    Exch $1
+    Push $2
+
+    StrCpy $2 "$0" 1 -1
+
+    StrCmp "$2" "$1" TrimRight
+    GoTo Done
+TrimRight:
+    StrCpy $0 "$0" -1
+
+Done:
+    Pop $2
+    Pop $1
+    Exch $0
+  FunctionEnd
+!macroend
+
+!macro LYX_FUNCTION_StrRTrimChar_Call Output Input Char
+  Push `${Char}`
+  Push `${Input}`
+  Call StrRTrimChar
+  Pop `${Output}`
 !macroend
 
 !endif ; _STRTRIM_NSH_