Index: DamClients/DamUI/trunk/setup/Product.wxs
===================================================================
diff -u -r6757 -r6958
--- DamClients/DamUI/trunk/setup/Product.wxs	(.../Product.wxs)	(revision 6757)
+++ DamClients/DamUI/trunk/setup/Product.wxs	(.../Product.wxs)	(revision 6958)
@@ -99,7 +99,7 @@
       <!-- installation folder -->
       <StandardDirectory Id="ProgramFilesFolder">
         <Directory Id="ProgramFilesDeltares" Name="Deltares">
-          <Directory Id="INSTALLFOLDER" Name="$(var.ProductIdWithVersion)" />
+          <Directory Id="INSTALLFOLDER" Name="$(var.ProductNameWithVersion)" />
             <Directory Id="MANUALFOLDER" Name="Manual" />
         </Directory>
       </StandardDirectory>
Index: DamClients/DamUI/trunk/setup/UI/CustomFatalError.wxs
===================================================================
diff -u
--- DamClients/DamUI/trunk/setup/UI/CustomFatalError.wxs	(revision 0)
+++ DamClients/DamUI/trunk/setup/UI/CustomFatalError.wxs	(revision 6958)
@@ -0,0 +1,40 @@
+<!--
+  <copyright file="ExitDialog.wxs" company="Deltares">
+    Copyright (c) 2025, Deltares.
+    This software is released under Microsoft Reciprocal License (MS-RL).
+    The license and further copyright text can be found in the file
+    LICENSE.TXT at the root directory of the distribution.
+  </copyright>
+-->
+
+<!-- see this introduction on how to customize Wix dialogs like this: http://www.dizzymonkeydesign.com/blog/misc/adding-and-customizing-dlgs-in-wix-3/ -->
+
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+    <Fragment>
+        <UI>
+            <Dialog Id="CustomFatalError" Width="370" Height="270" Title="!(loc.FatalError_Title)">
+                <Control Id="Finish" Type="PushButton" X="236" Y="243" Width="56" Height="17" Default="yes" Cancel="yes" Text="!(loc.WixUIFinish)">
+                    <Publish Event="EndDialog" Value="Exit" />
+                </Control>
+                <Control Id="Cancel" Type="PushButton" X="304" Y="243" Width="56" Height="17" Disabled="yes" Text="!(loc.WixUICancel)" />
+                <Control Id="Bitmap" Type="Bitmap" X="0" Y="0" Width="370" Height="234" TabSkip="no" Text="!(loc.FatalErrorBitmap)" />
+                <Control Id="Back" Type="PushButton" X="180" Y="243" Width="56" Height="17" Disabled="yes" Text="!(loc.WixUIBack)" />
+                <Control Id="BottomLine" Type="Line" X="0" Y="234" Width="370" Height="0" />
+
+                <!-- Y position changed to 30 as requested -->
+                <Control Id="Title" Type="Text" X="135" Y="30" Width="220" Height="60" Transparent="yes" NoPrefix="yes" Text="!(loc.FatalErrorTitle)" />
+
+                <Control Id="Description" Type="Text" X="135" Y="70" Width="220" Height="80" Transparent="yes" NoPrefix="yes" Text="!(loc.FatalErrorDescription1) !(loc.FatalErrorDescription2)" />
+            </Dialog> 
+
+            <InstallUISequence>
+                <!-- Replace "FatalError" with the actual Id of your error dialog -->
+                <Show Dialog="CustomFatalError" OnExit="error" />
+            </InstallUISequence>
+            <AdminUISequence>
+                <!-- Replace "FatalError" with the actual Id of your error dialog -->
+                <Show Dialog="CustomFatalError" OnExit="error" />
+            </AdminUISequence>
+        </UI>
+    </Fragment>
+</Wix>
\ No newline at end of file
Index: DamClients/DamUI/trunk/setup/UI/DeltaresInstallDirectoriesDlg.wxs
===================================================================
diff -u -r6757 -r6958
--- DamClients/DamUI/trunk/setup/UI/DeltaresInstallDirectoriesDlg.wxs	(.../DeltaresInstallDirectoriesDlg.wxs)	(revision 6757)
+++ DamClients/DamUI/trunk/setup/UI/DeltaresInstallDirectoriesDlg.wxs	(.../DeltaresInstallDirectoriesDlg.wxs)	(revision 6958)
@@ -15,7 +15,7 @@
             <DialogRef Id="BrowseDlg" />
             <DialogRef Id="DiskCostDlg" />
             <DialogRef Id="ErrorDlg" />
-            <DialogRef Id="FatalError" />
+            <DialogRef Id="CustomFatalError" />
             <DialogRef Id="FilesInUse" />
             <DialogRef Id="MsiRMFilesInUse" />
             <DialogRef Id="CustomPrepareDlg" />
@@ -49,7 +49,7 @@
             <Publish Dialog="VerifyReadyDlg" Control="Back" Event="NewDialog" Value="CustomWelcomeDlg" Order="2" Condition="Installed AND PATCH" />
 
             <Publish Dialog="CustomMaintenanceWelcomeDlg" Control="Next" Event="NewDialog" Value="CustomMaintenanceTypeDlg" />
-                        
+            
             <!-- Define the actual dialog for the directories  -->
             <Dialog Id="InstallDirectoriesDlg" Width="370" Height="270" Title="!(loc.InstallDirDlg_Title)">
               <Control Id="Next" Type="PushButton" X="236" Y="243" Width="56" Height="17" Default="yes" Text="!(loc.WixUINext)" />