Index: /trunk/src/VBox/Additions/WINNT/Installer/Languages/English.nsh
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/Languages/English.nsh	(revision 39573)
+++ /trunk/src/VBox/Additions/WINNT/Installer/Languages/English.nsh	(revision 39574)
@@ -42,2 +42,4 @@
 LangString VBOX_UNINST_CONFIRM ${LANG_ENGLISH}           "Do you really want to uninstall $(^Name)?"
 LangString VBOX_UNINST_SUCCESS ${LANG_ENGLISH}           "$(^Name) have been uninstalled."
+LangString VBOX_UNINST_INVALID_D3D ${LANG_ENGLISH}       "Invalid installation of Direct3D support detected; uninstallation skipped."
+
Index: /trunk/src/VBox/Additions/WINNT/Installer/Languages/French.nsh
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/Languages/French.nsh	(revision 39573)
+++ /trunk/src/VBox/Additions/WINNT/Installer/Languages/French.nsh	(revision 39574)
@@ -42,2 +42,4 @@
 LangString VBOX_UNINST_CONFIRM ${LANG_FRENCH}            "Voulez-vous vraiment désinstaller $(^Name)?"
 LangString VBOX_UNINST_SUCCESS ${LANG_FRENCH}            "$(^Name) ont été désinstallés."
+LangString VBOX_UNINST_INVALID_D3D ${LANG_FRENCH}        "Invalid installation of Direct3D support detected; uninstallation skipped."
+
Index: /trunk/src/VBox/Additions/WINNT/Installer/Languages/German.nsh
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/Languages/German.nsh	(revision 39573)
+++ /trunk/src/VBox/Additions/WINNT/Installer/Languages/German.nsh	(revision 39574)
@@ -42,2 +42,4 @@
 LangString VBOX_UNINST_CONFIRM ${LANG_GERMAN}           "Wollen Sie wirklich die $(^Name) deinstallieren?"
 LangString VBOX_UNINST_SUCCESS ${LANG_GERMAN}           "$(^Name) wurden erfolgreich deinstalliert."
+LangString VBOX_UNINST_INVALID_D3D ${LANG_GERMAN}       "Unvollständige oder ungültige Installation der Direct3D-Unterstützung erkannt; Deinstallation wird übersprungen."
+
Index: /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditionsW2KXP.nsh
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditionsW2KXP.nsh	(revision 39573)
+++ /trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditionsW2KXP.nsh	(revision 39574)
@@ -583,5 +583,6 @@
   Pop $0
   ${If} $0 == "1" ; D3D files are invalid
-    DetailPrint "Invalid installation of Direct3D support detected; uninstallation skipped"
+    DetailPrint $(VBOX_UNINST_INVALID_D3D)
+    MessageBox MB_ICONSTOP|MB_OK $(VBOX_UNINST_INVALID_D3D) /SD IDOK
     Goto d3d_uninstall_end
   ${EndIf}