diff --git a/win32/lasso.rc b/win32/lasso.rc
index f9d0e457..cf32534b 100644
--- a/win32/lasso.rc
+++ b/win32/lasso.rc
@@ -53,7 +53,7 @@ FILETYPE VFT_DLL            /* Yes, lasso is a DLL. */
             VALUE "FileVersion",     PACKAGE_VERSION
             VALUE "InternalName",    PACKAGE
             VALUE "LegalCopyright",  "Copyright \251 2004, Entr'ouvert\0"
-            VALUE "OriginalFilename","LIBLASSO.DLL\0"
+            VALUE "OriginalFilename","LIBLASSO-1.DLL\0"
             VALUE "ProductName",   PACKAGE_NAME 
             VALUE "ProductVersion",  PACKAGE_VERSION 
             VALUE "Comments",  
diff --git a/win32/nsis/jlasso-lite.nsi b/win32/nsis/jlasso-lite.nsi
index 2ed15cbd..8c157e1b 100755
--- a/win32/nsis/jlasso-lite.nsi
+++ b/win32/nsis/jlasso-lite.nsi
@@ -2,7 +2,7 @@
 
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "Liberty Alliance Single Sign On Java"
-!define PRODUCT_VERSION "0.4"
+!define PRODUCT_VERSION "0.4.1"
 !define PRODUCT_PUBLISHER "Entr'ouvert"
 !define PRODUCT_WEB_SITE "http://www.entrouvert.org"
 !define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
@@ -48,7 +48,7 @@ SetCompressor bzip2
 ; MUI end ------
 
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
-OutFile "Install-java-lite-0_4.exe"
+OutFile "Install-java-lite-0_4_1.exe"
 InstallDir "$PROGRAMFILES\Liberty Alliance Single Sign On Java"
 ShowInstDetails show
 ShowUnInstDetails show
@@ -58,7 +58,7 @@ Function .onInit
 FunctionEnd
 
 Section "L.A.S.S.O. Java" SEC08
-  File "..\..\java\.libs\libjlasso.dll"
+  File "..\..\java\.libs\jlasso.dll"
   File "..\..\java\lasso.jar"
 SectionEnd
 
diff --git a/win32/nsis/lasso-deps.nsi b/win32/nsis/lasso-deps.nsi
index c2e5ad0b..6ee35dc0 100644
--- a/win32/nsis/lasso-deps.nsi
+++ b/win32/nsis/lasso-deps.nsi
@@ -2,7 +2,7 @@
 
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "LASSO dependencies"
-!define PRODUCT_VERSION "0.4"
+!define PRODUCT_VERSION "0.4.1"
 !define PRODUCT_PUBLISHER "Entr'ouvert"
 !define PRODUCT_WEB_SITE "http://lasso.entrouvert.org"
 !define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
@@ -48,7 +48,7 @@ SetCompressor bzip2
 ; MUI end ------
 
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
-OutFile "Install-deps-0_4.exe"
+OutFile "Install-deps-0_4_1.exe"
 InstallDir "$SYSDIR"
 ShowInstDetails show
 ShowUnInstDetails show
diff --git a/win32/nsis/lasso-full.nsi b/win32/nsis/lasso-full.nsi
index 7b815271..f848d441 100644
--- a/win32/nsis/lasso-full.nsi
+++ b/win32/nsis/lasso-full.nsi
@@ -2,7 +2,7 @@
 
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "Liberty Alliance Single Sign On and all dependencies"
-!define PRODUCT_VERSION "0.4"
+!define PRODUCT_VERSION "0.4.1"
 !define PRODUCT_PUBLISHER "Entr'ouvert"
 !define PRODUCT_WEB_SITE "http://www.entrouvert.org"
 !define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
@@ -48,7 +48,7 @@ SetCompressor bzip2
 ; MUI end ------
 
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
-OutFile "Install-full-0_4.exe"
+OutFile "Install-full-0_4_1.exe"
 InstallDir "$SYSDIR"
 ShowInstDetails show
 ShowUnInstDetails show
diff --git a/win32/nsis/lasso-lite.nsi b/win32/nsis/lasso-lite.nsi
index a8048196..82bcacec 100644
--- a/win32/nsis/lasso-lite.nsi
+++ b/win32/nsis/lasso-lite.nsi
@@ -2,7 +2,7 @@
 
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "Liberty Alliance Single Sign On"
-!define PRODUCT_VERSION "0.4"
+!define PRODUCT_VERSION "0.4.1"
 !define PRODUCT_PUBLISHER "Entr'ouvert"
 !define PRODUCT_WEB_SITE "http://www.entrouvert.org"
 !define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
@@ -48,7 +48,7 @@ SetCompressor bzip2
 ; MUI end ------
 
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
-OutFile "Install-lite-0_4.exe"
+OutFile "Install-lite-0_4_1.exe"
 InstallDir "$SYSDIR"
 ShowInstDetails show
 ShowUnInstDetails show