diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 74d3794289bf69f..897c210f4767e1d 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -1940,7 +1940,8 @@ def __enter__(self):
 
             self.old_value = msvcrt.GetErrorMode()
 
-            msvcrt.SetErrorMode(self.old_value | msvcrt.SEM_NOGPFAULTERRORBOX)
+            msvcrt.SetErrorMode(self.old_value | msvcrt.SEM_NOGPFAULTERRORBOX
+                                               | msvcrt.SEM_FAILCRITICALERRORS)
 
             # bpo-23314: Suppress assert dialogs in debug builds.
             # CrtSetReportMode() is only available in debug build.