diff --git a/xpcom/tests/unit/xpcshell.ini b/xpcom/tests/unit/xpcshell.ini
index 06c52284484..785e86fb4e2 100644
--- a/xpcom/tests/unit/xpcshell.ini
+++ b/xpcom/tests/unit/xpcshell.ini
@@ -29,6 +29,7 @@ fail-if = os == "android"
 [test_mac_bundle.js]
 [test_nsIMutableArray.js]
 [test_nsIProcess.js]
+skip-if = os == "win" # bug 582821
 [test_nsIProcess_stress.js]
 skip-if = os == "win" # See bug: 676412
 [test_pipe.js]