diff --git a/payload_state.cc b/payload_state.cc
index 6d6791f..1d7e0fe 100644
--- a/payload_state.cc
+++ b/payload_state.cc
@@ -92,6 +92,7 @@
     SetNumResponsesSeen(num_responses_seen_ + 1);
     SetResponseSignature(new_response_signature);
     ResetPersistedState();
+    ReportUpdatesAbandonedEventCountMetric();
     return;
   }
 
@@ -1045,6 +1046,24 @@
        kNumDefaultUmaBuckets);
 }
 
+void PayloadState::ReportUpdatesAbandonedEventCountMetric() {
+  string metric = "Installer.UpdatesAbandonedEventCount";
+  int value = num_responses_seen_ - 1;
+
+  // Do not send an "abandoned" event when 0 payloads were abandoned since the
+  // last successful update.
+  if (value == 0)
+    return;
+
+  LOG(INFO) << "Uploading " << value << " (count) for metric " <<  metric;
+  system_state_->metrics_lib()->SendToUMA(
+       metric,
+       value,
+       0,    // min value
+       100,  // max value
+       kNumDefaultUmaBuckets);
+}
+
 void PayloadState::ComputeCandidateUrls() {
   bool http_url_ok = false;
 
diff --git a/payload_state.h b/payload_state.h
index 64d134f..6689b8d 100644
--- a/payload_state.h
+++ b/payload_state.h
@@ -318,9 +318,17 @@
   void LoadNumResponsesSeen();
 
   // Reports metric conveying how many times updates were abandoned
-  // before an update was applied.
+  // before an update was applied. This metric is reported when an update is
+  // successfully applied.
   void ReportUpdatesAbandonedCountMetric();
 
+  // Reports metric conveying how many times updates were abandoned since
+  // the last update was applied. The difference between this metric and the
+  // previous ReportUpdatesAbandonedCountMetric() one is that this metric is
+  // reported every time an update is abandoned, as oposed to the mentioned
+  // metric that is reported once the new update was applied.
+  void ReportUpdatesAbandonedEventCountMetric();
+
   // The global state of the system.
   SystemState* system_state_;
 
diff --git a/payload_state_unittest.cc b/payload_state_unittest.cc
index 0eb1875..8fffab9 100644
--- a/payload_state_unittest.cc
+++ b/payload_state_unittest.cc
@@ -297,6 +297,10 @@
 
   EXPECT_TRUE(payload_state.Initialize(&mock_system_state));
 
+  // The first response doesn't send an abandoned event.
+  EXPECT_CALL(*mock_system_state.mock_metrics_lib(), SendToUMA(
+      "Installer.UpdatesAbandonedEventCount", 0, _, _, _)).Times(0);
+
   // Set the first response.
   SetupPayloadStateWith2Urls("Hash5823", true, &payload_state, &response);
   EXPECT_EQ(1, payload_state.GetNumResponsesSeen());
@@ -307,10 +311,25 @@
   EXPECT_EQ("https://test", payload_state.GetCurrentUrl());
   EXPECT_EQ(1, payload_state.GetUrlSwitchCount());
 
+  EXPECT_CALL(*mock_system_state.mock_metrics_lib(), SendToUMA(
+      "Installer.UpdatesAbandonedEventCount", 1, _, _, _));
+
   // Now, slightly change the response and set it again.
   SetupPayloadStateWith2Urls("Hash8225", true, &payload_state, &response);
   EXPECT_EQ(2, payload_state.GetNumResponsesSeen());
 
+  // Fake an error again.
+  payload_state.UpdateFailed(error);
+  EXPECT_EQ("https://test", payload_state.GetCurrentUrl());
+  EXPECT_EQ(1, payload_state.GetUrlSwitchCount());
+
+  EXPECT_CALL(*mock_system_state.mock_metrics_lib(), SendToUMA(
+      "Installer.UpdatesAbandonedEventCount", 2, _, _, _));
+
+  // Return a third different response.
+  SetupPayloadStateWith2Urls("Hash9999", true, &payload_state, &response);
+  EXPECT_EQ(3, payload_state.GetNumResponsesSeen());
+
   // Make sure the url index was reset to 0 because of the new response.
   EXPECT_EQ("http://test", payload_state.GetCurrentUrl());
   EXPECT_EQ(0, payload_state.GetUrlFailureCount());