diff --git a/tools/block-updates.cmd b/tools/block-updates.cmd
index 903ddce..c2baac6 100644
--- a/tools/block-updates.cmd
+++ b/tools/block-updates.cmd
@@ -38,6 +38,11 @@ echo   [ Cumulative Update for Windows 10 Version 21H2 x64, May 2024 ]
 powershell -command "Hide-WindowsUpdate -KBArticleID KB5037768 -AcceptAll"
 echo.
 
+echo blocking UPDATE KB5040427 ...
+echo   [ Cumulative Update for Windows 10 Version 21H2 x64, July 2024 ]
+powershell -command "Hide-WindowsUpdate -KBArticleID KB5040427 -AcceptAll"
+echo.
+
 echo blocking a hardware driver ...
 echo   [ Advanced Micro Devices ]
 powershell -command "Hide-WindowsUpdate -KBArticleID 'Advanced Micro Devices, Inc. - Display - 31.0.12027.7000' -AcceptAll"