diff --git a/interface/resources/qml/hifi/tablet/TabletRoot.qml b/interface/resources/qml/hifi/tablet/TabletRoot.qml
index 33af7da1ae..97c8854c86 100644
--- a/interface/resources/qml/hifi/tablet/TabletRoot.qml
+++ b/interface/resources/qml/hifi/tablet/TabletRoot.qml
@@ -170,20 +170,24 @@ Item {
         objectName: "loader"
         asynchronous: false
 
-        
         width: parent.width
         height: parent.height
 
+        // Hook up callback for clara.io download from the marketplace.
+        Connections {
+            id: eventBridgeConnection
+            target: null
+            onWebEventReceived: {
+                if (message.slice(0, 17) === "CLARA.IO DOWNLOAD") {
+                    ApplicationInterface.addAssetToWorldFromURL(message.slice(18));
+                }
+            }
+        }
+
         onLoaded: {
             if (loader.item.hasOwnProperty("eventBridge")) {
                 loader.item.eventBridge = eventBridge;
-
-                // Hook up callback for clara.io download from the marketplace.
-                eventBridge.webEventReceived.connect(function (event) {
-                    if (event.slice(0, 17) === "CLARA.IO DOWNLOAD") {
-                        ApplicationInterface.addAssetToWorldFromURL(event.slice(18));
-                    }
-                });
+                eventBridgeConnection.target = eventBridge
             }
             if (loader.item.hasOwnProperty("sendToScript")) {
                 loader.item.sendToScript.connect(tabletRoot.sendToScript);
diff --git a/interface/resources/qml/hifi/tablet/WindowRoot.qml b/interface/resources/qml/hifi/tablet/WindowRoot.qml
index 470fd4a830..ee8dbbff59 100644
--- a/interface/resources/qml/hifi/tablet/WindowRoot.qml
+++ b/interface/resources/qml/hifi/tablet/WindowRoot.qml
@@ -90,16 +90,21 @@ Windows.ScrollingWindow {
         anchors.left: parent.left
         anchors.top: parent.top
 
+        // Hook up callback for clara.io download from the marketplace.
+        Connections {
+            id: eventBridgeConnection
+            target: null
+            onWebEventReceived: {
+                if (message.slice(0, 17) === "CLARA.IO DOWNLOAD") {
+                    ApplicationInterface.addAssetToWorldFromURL(message.slice(18));
+                }
+            }
+        }
+
         onLoaded: {
             if (loader.item.hasOwnProperty("eventBridge")) {
                 loader.item.eventBridge = eventBridge;
-
-                // Hook up callback for clara.io download from the marketplace.
-                eventBridge.webEventReceived.connect(function (event) {
-                    if (event.slice(0, 17) === "CLARA.IO DOWNLOAD") {
-                        ApplicationInterface.addAssetToWorldFromURL(event.slice(18));
-                    }
-                });
+                eventBridgeConnection.target = eventBridge
             }
             if (loader.item.hasOwnProperty("sendToScript")) {
                 loader.item.sendToScript.connect(tabletRoot.sendToScript);
diff --git a/scripts/system/edit.js b/scripts/system/edit.js
index f39165f3df..6a1ede88c6 100644
--- a/scripts/system/edit.js
+++ b/scripts/system/edit.js
@@ -2100,7 +2100,13 @@ function selectParticleEntity(entityID) {
 }
 
 entityListTool.webView.webEventReceived.connect(function (data) {
-    data = JSON.parse(data);
+    try {
+        data = JSON.parse(data);
+    } catch(e) {
+        print("edit.js: Error parsing JSON: " + e.name + " data " + data)
+        return;
+    }
+
     if (data.type === 'parent') {
         parentSelectedEntities();
     } else if(data.type === 'unparent') {
diff --git a/scripts/system/libraries/entityList.js b/scripts/system/libraries/entityList.js
index 3b6d32ec1c..64a05fcebf 100644
--- a/scripts/system/libraries/entityList.js
+++ b/scripts/system/libraries/entityList.js
@@ -109,7 +109,13 @@ EntityListTool = function(opts) {
     };
 
     webView.webEventReceived.connect(function(data) {
-        data = JSON.parse(data);
+        try {
+            data = JSON.parse(data);
+        } catch(e) {
+            print("entityList.js: Error parsing JSON: " + e.name + " data " + data)
+            return;
+        }
+
         if (data.type == "selectionUpdate") {
             var ids = data.entityIds;
             var entityIDs = [];
diff --git a/scripts/system/libraries/gridTool.js b/scripts/system/libraries/gridTool.js
index 0290674a0f..de9596e9be 100644
--- a/scripts/system/libraries/gridTool.js
+++ b/scripts/system/libraries/gridTool.js
@@ -238,7 +238,13 @@ GridTool = function(opts) {
     });
 
     webView.webEventReceived.connect(function(data) {
-        data = JSON.parse(data);
+        try {
+            data = JSON.parse(data);
+        } catch(e) {
+            print("gridTool.js: Error parsing JSON: " + e.name + " data " + data)
+            return;
+        }
+
         if (data.type == "init") {
             horizontalGrid.emitUpdate();
         } else if (data.type == "update") {