diff --git a/tools/block-updates.cmd b/tools/block-updates.cmd
index 761b251..aa92071 100644
--- a/tools/block-updates.cmd
+++ b/tools/block-updates.cmd
@@ -28,6 +28,11 @@ echo   [ Feature Update to Windows 10 Version 21H2 x64 ]
 powershell -command "Hide-WindowsUpdate -KBArticleID KB5034122 -AcceptAll"
 echo.
 
+echo blocking UPDATE KB5034763 ...
+echo   [ Cumulative Update for Windows 10 Version 21H2 x64 ]
+powershell -command "Hide-WindowsUpdate -KBArticleID KB5034763 -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"