diff --git a/app/main/index.js b/app/main/index.js
index e2c5d1b..e0858c6 100644
--- a/app/main/index.js
+++ b/app/main/index.js
@@ -58,7 +58,6 @@ app.on('ready', async () => {
   })
 
   mainWindow.webContents.on('will-navigate', () => {
-    console.log('will navigate')
     scanner.deactivate()
   })
 
@@ -75,7 +74,6 @@ app.on('ready', async () => {
 })
 
 app.on('before-quit', () => {
-  console.log('before quit')
   PowerSaveBlocker.deactivate()
 })
 
@@ -111,6 +109,5 @@ ipcMain.on('print', (event, fileName) => {
 })
 
 ipcMain.on('deactivate', () => {
-  console.log('deactivate')
   scanner.deactivate()
 })
diff --git a/app/main/services/bridge/index.js b/app/main/services/bridge/index.js
index 24e02ad..a504a73 100644
--- a/app/main/services/bridge/index.js
+++ b/app/main/services/bridge/index.js
@@ -1,24 +1,34 @@
+const emit = (...args) => {
+  const webContents = args.shift()
+
+  if (webContents.isDestroyed()) {
+    return
+  }
+
+  webContents.send(...args)
+}
+
 export const onTransmitterData = (webContents) => {
   return (transmitter, transmitters) => {
-    webContents.send('transmitter-data', transmitter, transmitters)
+    emit(webContents, 'transmitter-data', transmitter, transmitters)
   }
 }
 
 export const onTransmitterAdded = (webContents) => {
   return (transmitter, transmitters) => {
-    webContents.send('transmitter-added', transmitter, transmitters)
+    emit(webContents, 'transmitter-added', transmitter, transmitters)
   }
 }
 
 export const onTransmitterRemoved = (webContents) => {
   return (transmitter, transmitters) => {
-    webContents.send('transmitter-removed', transmitter, transmitters)
+    emit(webContents, 'transmitter-removed', transmitter, transmitters)
   }
 }
 
 export const onReceiverAdded = (webContents) => {
   return (receiver, receivers) => {
-    webContents.send('receiver-added', receiver, receivers)
+    emit(webContents, 'receiver-added', receiver, receivers)
     receiver.on('transmitter-added', onTransmitterAdded(webContents))
     receiver.on('transmitter-removed', onTransmitterRemoved(webContents))
     receiver.on('transmitter-data', onTransmitterData(webContents))
@@ -27,7 +37,7 @@ export const onReceiverAdded = (webContents) => {
 
 export const onReceiverRemoved = (webContents) => {
   return (receiver, receivers) => {
-    webContents.send('receiver-removed', receiver, receivers)
+    emit(webContents, 'receiver-removed', receiver, receivers)
   }
 }
 
diff --git a/app/renderer/components/sensor/report/charts/training_score/index.jsx b/app/renderer/components/sensor/report/charts/training_score/index.jsx
index 0431282..1b671ff 100644
--- a/app/renderer/components/sensor/report/charts/training_score/index.jsx
+++ b/app/renderer/components/sensor/report/charts/training_score/index.jsx
@@ -51,7 +51,7 @@ class TrainingScoreChart extends Component {
       <XYPlot width={200} height={200} className={classes.trainingScoreChart} colorType="literal">
         {segments({ opacity: 0.1 })}
         {segments({ limit: score })}
-        {label({ color: colors[zone], label: score.toString() })}
+        {label({ color: colors[zone], label: score.toFixed(2) })}
       </XYPlot>
     )
   }
diff --git a/app/renderer/styles/index.js b/app/renderer/styles/index.js
index 41b7a8a..ca5e580 100644
--- a/app/renderer/styles/index.js
+++ b/app/renderer/styles/index.js
@@ -59,6 +59,8 @@ export default (theme) => ({
   },
 
   cardName: {
+    whiteSpace: 'nowrap',
+    overflow: 'hidden',
     flexGrow: 1,
     marginLeft: theme.spacing.unit * 3,
   },