diff --git a/src/inst-gnupg-w32.nsi b/src/inst-gnupg-w32.nsi
index ab9bb1f2..bc28704d 100644
--- a/src/inst-gnupg-w32.nsi
+++ b/src/inst-gnupg-w32.nsi
@@ -1,48 +1,58 @@
 # inst-gnupg2.nsi - Installer snippet for gnupg-w32. -*- coding: latin-1; -*-
 # Copyright (C) 2015 Intevation GmbH
 #
 # This file is part of Gpg4win.
 #
 # Gpg4win is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # Gpg4win is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA 02110-1301, USA.
 
 !ifdef prefix
 !undef prefix
 !endif
 !define prefix ${ipdir}/gnupg-w32-${gpg4win_pkg_gnupg_w32_version}
 !define source ${bpdir}/gnupg-w32-${gpg4win_pkg_gnupg_w32_version}
 
 ${MementoSection} "GnuPG" SEC_gnupg_w32
   SectionIn RO
 
 !ifdef SOURCES
   SetOutPath "$INSTDIR"
   File "${gpg4win_pkg_gnupg_w32}"
 !else
 
 SetOutPath "$TEMP"
   DetailPrint  "$(T_Installing_GnuPG) ${gpg4win_pkg_gnupg_w32_version}"
   File "${prefix}/gnupg-w32-${gpg4win_pkg_gnupg_w32_version}-bin.exe"
-  ExecWait '"$TEMP\gnupg-w32-${gpg4win_pkg_gnupg_w32_version}-bin.exe" /S /D=$INSTDIR\..\GnuPG'
+  ExecWait '"$TEMP\gnupg-w32-${gpg4win_pkg_gnupg_w32_version}-bin.exe" /S /D=$INSTDIR\..\GnuPG' $0
 
+  IntCmp $0 0 done 0
+  MessageBox MB_OK|MB_ICONEXCLAMATION "$(T_Gpg_Install_failed)"
+done:
   Delete "$TEMP\gnupg-w32-${gpg4win_pkg_gnupg_w32_version}-bin.exe"
 !endif
 ${MementoSectionEnd}
 
 LangString T_Installing_GnuPG ${LANG_ENGLISH} \
    "Installing GnuPG"
 
 LangString DESC_SEC_gnupg_w32 ${LANG_ENGLISH} \
    "GNU Privacy Guard"
+
+LangString T_Gpg_Install_failed ${LANG_ENGLISH} \
+   "Failed to install GnuPG.$\r$\n \
+   Gpg4win will not work properly without GnuPG.$\r$\n \
+   Please download and install the simple installer \
+   for GnuPG from:$\r$\n$\r$\n \
+   https://gnupg.org/download"