diff --git a/build/build-spell.bat b/build/build-spell.bat
new file mode 100644
index 00000000..17cd7a52
--- /dev/null
+++ b/build/build-spell.bat
@@ -0,0 +1,10 @@
+@echo off
+echo [Setup] > xchat-wdk-spell.iss
+echo WizardImageFile=%cd%\bitmaps\wizardimage.bmp >> xchat-wdk-spell.iss
+echo WizardSmallImageFile=%cd%\bitmaps\wizardsmallimage.bmp >> xchat-wdk-spell.iss
+cd ..
+echo SetupIconFile=%cd%\xchat.ico >> build\xchat-wdk-spell.iss
+type build\xchat-wdk-spell.skel.iss >> build\xchat-wdk-spell.iss
+set PATH=%PROGRAMFILES(X86)%\Inno Setup 5
+compil32 /cc build\xchat-wdk-spell.iss
+pause
diff --git a/build/xchat-wdk-spell.skel.iss b/build/xchat-wdk-spell.skel.iss
index ad12075a..b770995e 100644
--- a/build/xchat-wdk-spell.skel.iss
+++ b/build/xchat-wdk-spell.skel.iss
@@ -1,7 +1,3 @@
-[Setup] 
-WizardImageFile=c:\mozilla-build\build\xchat-wdk\build\bitmaps\wizardimage.bmp 
-WizardSmallImageFile=c:\mozilla-build\build\xchat-wdk\build\bitmaps\wizardsmallimage.bmp 
-SetupIconFile=c:\mozilla-build\build\xchat-wdk\xchat.ico 
 AppName=XChat-WDK Spelling Dictionaries
 AppVerName=XChat-WDK Spelling Dictionaries 1.0
 AppVersion=1.0
@@ -13,8 +9,8 @@ AppCopyright=Copyright (C) 1998-2010 Peter Zelezny
 AppSupportURL=http://code.google.com/p/xchat-wdk/issues/list
 AppUpdatesURL=http://code.google.com/p/xchat-wdk/wiki/InfoXChat
 LicenseFile=COPYING
-;UninstallDisplayIcon={app}\xchat.exe
-UninstallDisplayName=XChat-WDK
+UninstallDisplayIcon={app}\xchat.exe
+UninstallDisplayName=XChat-WDK Spelling Dictionaries
 DefaultDirName={pf}\XChat-WDK
 DefaultGroupName=XChat-WDK
 DisableProgramGroupPage=yes
@@ -26,9 +22,13 @@ PrivilegesRequired=none
 ShowComponentSizes=no
 CreateUninstallRegKey=not IsTaskSelected('portable')
 Uninstallable=not IsTaskSelected('portable')
+DirExistsWarning=no
 ArchitecturesAllowed=x86 x64
 ArchitecturesInstallIn64BitMode=x64
 
+[Tasks]
+Name: portable; Description: "Yes"; GroupDescription: "Portable Install (no Registry entries, no Start Menu icons, no uninstaller):"; Flags: unchecked
+
 [Files]
 Source: "share\myspell\*"; DestDir: "{app}\share\myspell"; Flags: createallsubdirs recursesubdirs
 
diff --git a/build/xchat-wdk.skel.iss b/build/xchat-wdk.skel.iss
index 01a11354..fa1798b5 100644
--- a/build/xchat-wdk.skel.iss
+++ b/build/xchat-wdk.skel.iss
@@ -237,6 +237,7 @@ Name: "{group}\Uninstall XChat-WDK"; Filename: "{uninstallexe}"; Tasks: not port
 BeveledLabel= XChat-WDK
 
 [Code]
+; these are required for x86->x64 or reverse upgrades
 /////////////////////////////////////////////////////////////////////
 function GetUninstallString(): String;
 var