minor simplification of installer

resources/nsis/NSIS.definitions.nsh.in

@@ -4,7 +4,6 @@
 !define APP_VERSION "@APP_VERSION@"
 !define APP_NAME "@APP_NAME@"
 !define EXE_NAME "@EXE_NAME@"
-;!define README_FILE "README"
 !define LICENSE_FILE "@PWD@\..\..\resources\text\COPYING_GNU_GPL"
 !define MUI_ICON "@PWD@\..\..\resources\graphics\@APP_LOW_NAME@.ico"
 !define MUI_UNICON "@PWD@\..\..\resources\graphics\@APP_LOW_NAME@.ico"

resources/nsis/NSIS.template.in

@@ -23,7 +23,7 @@ SetCompressor /SOLID /FINAL lzma
 
 ; Default installation folder.
 InstallDir "C:\${APP_NAME}"
-InstallDirRegKey HKCU "Software\${APP_NAME}" "Install Directory"
+InstallDirRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "InstallLocation"
 
 ; Require administrator access.
 RequestExecutionLevel admin
@@ -131,16 +131,14 @@ NotInstalled:
   ExecWait '"$INSTDIR\vc_redist.x64.exe" /install /passive /quiet'
   Delete "$INSTDIR\vc_redist.x64.exe"
 
-  ; Store installation folder.
-  WriteRegStr HKCU "Software\${APP_NAME}" "Install Directory" $INSTDIR
-
   ; Create uninstaller.
   WriteUninstaller "$INSTDIR\Uninstall.exe"
 
   ; Add to Add/Remove programs.
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "DisplayName" "${APP_NAME}"
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "DisplayIcon" "$INSTDIR\${EXE_NAME}"
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "DisplayVersion" "${APP_VERSION}"
+  WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "InstallLocation" "$INSTDIR"
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "UninstallString" "$\"$INSTDIR\Uninstall.exe$\""
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}" "QuietUninstallString" "$\"$INSTDIR\Uninstall.exe$\" /S"
 SectionEnd