Windows installer: add 3 new features/bugfixes

[features.git] / development / Win32 / packaging / installer / setup / configure.nsh

diff --git a/development/Win32/packaging/installer/setup/configure.nsh b/development/Win32/packaging/installer/setup/configure.nsh
index 9e6d18be9552aade234beca8aa31e47c008c32f3..639bfd5ccf3d59118611ad259851d043a5c3ec5f 100644 (file)
--- a/development/Win32/packaging/installer/setup/configure.nsh
+++ b/development/Win32/packaging/installer/setup/configure.nsh
@@ -55,8 +55,8 @@ Section -InstallData
   WriteRegDWORD SHCTX ${APP_UNINST_KEY} "NoRepair" 0x00000001
   WriteRegStr SHCTX ${APP_UNINST_KEY} "StartMenu" "$SMPROGRAMS\$StartmenuFolder"
   
-  # if we install over an existing version, remove the old uninstaller information
-  ${if} $OldVersionNumber != ""
+  # if we install over an older existing version, remove the old uninstaller information
+  ${if} $OldVersionNumber < ${APP_SERIES_KEY}
    DeleteRegKey SHCTX "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}$OldVersionNumber"
    # also delete in the case of an emergency release
    DeleteRegKey SHCTX "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APP_NAME}$OldVersionNumber1"