diff --git a/sys/windows/Install.windows b/sys/windows/Install.windows
index d78c79258..1c6112684 100644
--- a/sys/windows/Install.windows
+++ b/sys/windows/Install.windows
@@ -1,4 +1,4 @@
-         Copyright (c) NetHack Development Team 1990-2022
+         Copyright (c) NetHack Development Team 1990-2023
          NetHack may be freely redistributed.  See license for details.
          ==============================================================
                   Instructions for compiling and installing
@@ -83,7 +83,7 @@ Via git (recommended)
     submodules/lua and submodules/pdcurses folders:
 
     git submodule init
-    git submodule update --remote
+    git submodule update
 
 
 Via zip download
@@ -100,13 +100,13 @@ Via zip download
         tar -xvf lua-5.4.6.tar.gz
         cd ..
 
-    o obtain pdcurses
+    o obtain pdcursesmod
         cd lib
         wget --no-check-certificate ^
-             http://github.com/wmcbrine/PDCurses/archive/refs/tags/3.9.zip ^
-             --output-document=pdcurses3.9.zip
-        tar -xvf pdcurses3.9.zip
-        ren PDCurses-3.9 pdcurses
+             https://github.com/Bill-Gray/PDCursesMod/archive/refs/tags/v4.3.7.tar.gz ^
+             --output-document=pdcursesmod.tar.gz
+        tar -xvf pdcursesmod.tar.gz
+        ren PDCursesMod-4.3.7 pdcursesmod
         cd ..
 
     o update your Makefiles to reflect:
@@ -124,9 +124,9 @@ Via zip download
 
       In sys/windows/Makefile.nmake
         change from
-            PDCURSES_TOP = ..\submodules\pdcurses
+            PDCURSES_TOP = ..\submodules\pdcursesmod
         to
-            PDCURSES_TOP = ..\lib\pdcurses
+            PDCURSES_TOP = ..\lib\pdcursesmod
 
         change from
             LUATOP = ..\submodules\lua
diff --git a/sys/windows/Makefile.nmake b/sys/windows/Makefile.nmake
index dbff3a676..31002e9de 100644
--- a/sys/windows/Makefile.nmake
+++ b/sys/windows/Makefile.nmake
@@ -236,7 +236,7 @@ PDCURSES_TOP=$(LIBDIR)\$(PDCDIST)
 ADD_CURSES=Y
 !ENDIF # GIT_AVAILABLE
 !ELSE  # INTERNET_AVAILABLE is not Y below
-# Your Makefile settings do not allow pdcurses or pdcursesmod to be obtained by
+# Your Makefile settings do not allow $(PDCDIST) to be obtained by
 # git or by download. Check to see if it is available at one of
 # the expected locations already, with precedence given to ../submodules,
 # then ../lib.
@@ -249,7 +249,7 @@ PDCURSES_TOP=$(LIBDIR)\$(PDCDIST)
 ADD_CURSES=Y
 !ENDIF  # pdcurses sources available somewhere
 !IF "$(ADD_CURSES)" == "Y"
-!MESSAGE Your Makefile settings do not allow pdcurses or pdcursesmod to be
+!MESSAGE Your Makefile settings do not allow $(PDCDIST) to be
 !MESSAGE obtained by git or by download, but a copy of pdcurses was
 !MESSAGE found in $(PDCURSES_TOP),
 !MESSAGE so that will be used.
@@ -431,9 +431,9 @@ LUAOBJFILES =   $(LUAOBJFILES) $(OLUA)lbitlib.o
 # PDCurses build macros
 # Source for the NetHack repository submodule in
 #        ../submodules/pdcurses
-#    or  ../submodules/pdcursesmod
 # is https://github.com/wmcbrine/PDCurses.git
-# or https://github.com/Bill-Gray/PDCursesMod
+#        ../submodules/pdcursesmod
+# is https://github.com/Bill-Gray/PDCursesMod
 #=================================================================
 
 !IF "$(ADD_CURSES)" == "Y"
@@ -471,7 +471,9 @@ PDCWINGUIOBJS = $(OPDC)pdcclip_wingui.o $(OPDC)pdcdisp_wingui.o \
 
 PDCLIB = $(LIBDIR)\$(PDCDIST)-$(TARGET_CPU).lib
 
-PDCINCL = /I$(PDCURSES_TOP) /I$(PDCSRC) /I$(PDCWINCON)
+PDCINCL = /I$(PDCURSES_TOP) /I$(PDCSRC)
+PDCINCLGUI = /I$(PDCWINCON)
+PDCINCLCON = /I$(PDCWINGUI)
 !ELSE
 PDCLIB =
 PDCDEP =
@@ -1304,10 +1306,10 @@ DLB =
 	$(Q)$(CC) /wd4244 /wd4267 /wd4774 $(PDCINCL) $(CFLAGS:-w44774= ) $(CURSESDEF2) $(CROSSCOMPILE) $(CROSSCOMPILE_TARGET) -Fo$@ $<
 
 {$(PDCWINCON)}.c{$(OBJPDC)}.o:
-	$(Q)$(CC) /wd4244 /wd4267 /wd4774 $(PDCINCL) $(CFLAGS) $(CURSESDEF2) $(CROSSCOMPILE) $(CROSSCOMPILE_TARGET) -Fo$@ $<
+	$(Q)$(CC) /wd4244 /wd4267 /wd4774 $(PDCINCL) $(PDCINCLCON) $(CFLAGS) $(CURSESDEF2) $(CROSSCOMPILE) $(CROSSCOMPILE_TARGET) -Fo$@ $<
 
 {$(PDCWINGUI)}.c{$(OBJPDC)}.o:
-	$(Q)$(CC) /wd4244 /wd4267 /wd4774 $(PDCINCL) $(CFLAGS) $(CURSESDEF2) $(CROSSCOMPILE) $(CROSSCOMPILE_TARGET) -Fo$@ $<
+	$(Q)$(CC) /wd4244 /wd4267 /wd4774 $(PDCINCL) $(PDCINCLGUI) $(CFLAGS) $(CURSESDEF2) $(CROSSCOMPILE) $(CROSSCOMPILE_TARGET) -Fo$@ $<
 
 #==========================================
 # Rules for LUA files
diff --git a/sys/windows/vs/NetHackW/NetHackW.vcxproj b/sys/windows/vs/NetHackW/NetHackW.vcxproj
index f22e6bdb0..802d37edd 100644
--- a/sys/windows/vs/NetHackW/NetHackW.vcxproj
+++ b/sys/windows/vs/NetHackW/NetHackW.vcxproj
@@ -16,7 +16,7 @@
   <PropertyGroup>
     <OutDir>$(BinDir)</OutDir>
   </PropertyGroup>
-  <ItemDefinitionGroup Condition="Exists('$(PDCURSES)')">
+  <ItemDefinitionGroup Condition="Exists('$(PDCURSESMOD)')">
     <ClCompile>
       <AdditionalIncludeDirectories>$(PDCURSES);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>CURSES_GRAPHICS;PDC_NCMOUSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -351,4 +351,4 @@
   <Target Name="AfterRebuild">
     <MSBuild Projects="$(vsDir)NetHack\afternethack.proj" Targets="Build" Properties="Configuration=$(Configuration)" />
   </Target>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/sys/windows/vs/dirs.props b/sys/windows/vs/dirs.props
index ce4d0b2bf..ce7236230 100644
--- a/sys/windows/vs/dirs.props
+++ b/sys/windows/vs/dirs.props
@@ -8,12 +8,10 @@
     <SymbolsDir>$(ProjectDir)symbols\$(Configuration)\$(Platform)\$(TargetName)\</SymbolsDir>
     <ToolsDir>$(RootDir)tools\$(Configuration)\$(Platform)\</ToolsDir>
     <ImageDir>$(vsDir)\Images\</ImageDir>
-    <SubmodulesDir>$(RootDir)submodules\</SubmodulesDir>
     <UtilDir>$(RootDir)util\</UtilDir>
     <DatDir>$(RootDir)dat\</DatDir>
     <DocDir>$(RootDir)doc\</DocDir>
     <IncDir>$(RootDir)include\</IncDir>
-    <LuaDir>$(SubmodulesDir)lua\</LuaDir>
     <LibDir>$(RootDir)lib\</LibDir>
     <SndWavDir>$(RootDir)sound\wav\</SndWavDir>
     <SndWindDir>$(RootDir)sound\windsound\</SndWindDir>
@@ -28,11 +26,21 @@
     <OutDir>$(ToolsDir)</OutDir>
     <IntDir>$(ObjDir)</IntDir>
     <WinCursDir>$(RootDir)win\curses\</WinCursDir>
+    <SubmodulesDir>$(RootDir)submodules\</SubmodulesDir>
+    <LuaDir>$(SubmodulesDir)lua\</LuaDir>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(PDCURSES)'=='' AND Exists('$(SubmodulesDir)PDCursesMod')">
-    <PDCURSES>$(SubmodulesDir)PDCursesMod\</PDCURSES>
+  <PropertyGroup Condition="'$(PDCURSESMOD)'=='' AND Exists('$(SubmodulesDir)PDCursesMod')">
+    <PDCURSESMOD>$(SubmodulesDir)PDCursesMod\</PDCURSESMOD>
+    <PDCURSES>$(PDCURSESMOD)</PDCURSES>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(PDCURSES)'=='' AND Exists('$(RootDir)lib\PDCursesMod') And !Exists('$(SubmodulesDir)PDCursesMod')">
-    <PDCURSES>$(RootDir)lib\PDCursesMod\</PDCURSES>
+  <PropertyGroup Condition="'$(PDCURSESMOD)'=='' AND Exists('$(LibDir)PDCursesMod')">
+    <PDCURSESMOD>$(LibDir)PDCursesMod\</PDCURSESMOD>
+    <PDCURSES>$(PDCURSESMOD)</PDCURSES>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(PDCURSES)'=='' AND '$(PDCURSESMOD)'=='' AND Exists('$(SubmodulesDir)PDCurses')">
+    <PDCURSES>$(SubmodulesDir)PDCurses\</PDCURSES>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(PDCURSES)'=='' AND '$(PDCURSESMOD)'=='' AND Exists('$(LibDir)PDCurses')">
+    <PDCURSES>$(LibDir)PDCurses\</PDCURSES>
   </PropertyGroup>
 </Project>
diff --git a/win/curses/cursmain.c b/win/curses/cursmain.c
index cf961f54c..2b274ad95 100644
--- a/win/curses/cursmain.c
+++ b/win/curses/cursmain.c
@@ -469,6 +469,8 @@ curses_display_nhwindow(winid wid, boolean block)
 {
     menu_item *selected = NULL;
 
+    if (wid == WIN_ERR)
+        return;
     if (curses_is_menu(wid) || curses_is_text(wid)) {
         curses_end_menu(wid, "");
         (void) curses_select_menu(wid, PICK_NONE, &selected);