Set DisableWelcomePage the demo's work well even if an actual install is done previously. Needed since DisableWelcomePage defaults to auto since a while. Also make the MSXML example work again (GitHub became case sensitive?) + some whitespace cleanup.

Examples/CodeAutomation.iss

@@ -5,6 +5,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=no
 CreateAppDir=no
 DisableProgramGroupPage=yes
 DefaultGroupName=My Program
@@ -160,7 +161,7 @@ end;
 {--- MSXML ---}
 
 const
-  XMLURL = 'http://jrsoftware.github.io/issrc/ishelp/isxfunc.xml';
+  XMLURL = 'http://jrsoftware.github.io/issrc/ISHelp/isxfunc.xml';
   XMLFileName = 'isxfunc.xml';
   XMLFileName2 = 'isxfuncmodified.xml';
 
@@ -305,6 +306,4 @@ begin
   CreateButton(Left, Top, '&MSXML...', @MSXMLButtonOnClick);
   Top := Top + TopInc;
   CreateButton(Left, Top, '&Word...', @WordButtonOnClick);
-end;
-
-
+end;

Examples/CodeAutomation2.iss

@@ -12,6 +12,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=no
 CreateAppDir=no
 DisableProgramGroupPage=yes
 DefaultGroupName=My Program

Examples/CodeClasses.iss

@@ -5,6 +5,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=yes
 CreateAppDir=no
 DisableProgramGroupPage=yes
 DefaultGroupName=My Program

Examples/CodeDlg.iss

@@ -8,6 +8,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=no
 DefaultDirName={autopf}\My Program
 DisableProgramGroupPage=yes
 UninstallDisplayIcon={app}\MyProg.exe

Examples/CodeDll.iss

@@ -5,6 +5,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=no
 DefaultDirName={autopf}\My Program
 DisableProgramGroupPage=yes
 UninstallDisplayIcon={app}\MyProg.exe

Examples/CodeExample1.iss

@@ -5,6 +5,7 @@
 [Setup]
 AppName=My Program
 AppVersion=1.5
+DisableWelcomePage=no
 DefaultDirName={code:MyConst}\My Program
 DefaultGroupName=My Program
 UninstallDisplayIcon={app}\MyProg.exe