diff --git a/.github/actions/spell-check/expect.txt b/.github/actions/spell-check/expect.txt
index 265cdd89ec..c6c654db51 100644
--- a/.github/actions/spell-check/expect.txt
+++ b/.github/actions/spell-check/expect.txt
@@ -1301,6 +1301,7 @@ MSDN
 msedge
 mshtmdid
 msi
+MSIFASTINSTALL
 MSIHANDLE
 MSIINSTALLER
 MSIL
diff --git a/installer/PowerToysSetup/Product.wxs b/installer/PowerToysSetup/Product.wxs
index 419fe6406e..f6d00e1432 100644
--- a/installer/PowerToysSetup/Product.wxs
+++ b/installer/PowerToysSetup/Product.wxs
@@ -197,7 +197,8 @@
                   />
 
     <!-- Close 'PowerToys.exe' before uninstall-->
-    <Property Id="MSIRESTARTMANAGERCONTROL" Value="Disable" />
+    <Property Id="MSIRESTARTMANAGERCONTROL" Value="DisableShutdown" />
+    <Property Id="MSIFASTINSTALL" Value="DisableShutdown" />
     <util:CloseApplication CloseMessage="yes" Target="PowerToys.exe" ElevatedCloseMessage="yes" RebootPrompt="no" TerminateProcess="0" />
   </Product>
 
diff --git a/installer/PowerToysSetupCustomActions/CustomAction.cpp b/installer/PowerToysSetupCustomActions/CustomAction.cpp
index bb52d9c707..061b4fef61 100644
--- a/installer/PowerToysSetupCustomActions/CustomAction.cpp
+++ b/installer/PowerToysSetupCustomActions/CustomAction.cpp
@@ -774,10 +774,14 @@ UINT __stdcall TerminateProcessesCA(MSIHANDLE hInstall)
     }
     processes.resize(bytes / sizeof(processes[0]));
 
-    std::array<std::wstring_view, 4> processesToTerminate = {
+    std::array<std::wstring_view, 8> processesToTerminate = {
         L"PowerLauncher.exe",
         L"PowerToys.Settings.exe",
+        L"PowerToys.Awake.exe",
+        L"PowerToys.FancyZones.exe",
         L"Microsoft.PowerToys.Settings.UI.exe",
+        L"FancyZonesEditor.exe",
+        L"ColorPickerUI.exe",
         L"PowerToys.exe"
     };