diff --git a/Tokaido/TKDApp.h b/Tokaido/TKDApp.h
index baf3635..fb97014 100644
--- a/Tokaido/TKDApp.h
+++ b/Tokaido/TKDApp.h
@@ -59,6 +59,7 @@ typedef enum : NSUInteger {
 - (void)serializeToYAML;
 - (void)enterState:(TKDAppState)state;
 - (void)enterSubstate:(TKDAppSubstate)substate;
+- (void)setStatus:(NSString *)status;
 
 - (void)runBundleInstall;
 
diff --git a/Tokaido/TKDApp.m b/Tokaido/TKDApp.m
index 047dc80..1b7482f 100644
--- a/Tokaido/TKDApp.m
+++ b/Tokaido/TKDApp.m
@@ -182,6 +182,11 @@ -(void)enterState:(TKDAppState)state;
     }
 }
 
+-(void)setStatus:(NSString *)status;
+{
+    self.failureReason = status;
+}
+
 - (void)showInFinder;
 {
     [[NSWorkspace sharedWorkspace] openFile:self.appDirectoryPath];
diff --git a/Tokaido/TKDMuxrManager.m b/Tokaido/TKDMuxrManager.m
index c669ab1..c277422 100644
--- a/Tokaido/TKDMuxrManager.m
+++ b/Tokaido/TKDMuxrManager.m
@@ -62,7 +62,7 @@ - (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)t
     if ([reply isEqualToString:@"ADDED"]) {
         NSLog(@"App added, waiting for ready...");
         [self.socket readDataWithTimeout:-1 tag:0];
-    } else if ([reply isEqualToString:@"READY"] || [reply isEqualToString:@"REMOVED"]) {
+    } else if ([reply isEqualToString:@"READY"] || [reply isEqualToString:@"REMOVED"] || [reply isEqualToString:@"ERR"]) {
         
         // This happens on a background thread, so it should fire off UI updating notifications on
         // the main thread.
diff --git a/Tokaido/TKDTokaidoController.m b/Tokaido/TKDTokaidoController.m
index bd6b0a8..778c9ce 100644
--- a/Tokaido/TKDTokaidoController.m
+++ b/Tokaido/TKDTokaidoController.m
@@ -153,10 +153,17 @@ - (void)handleMuxrEvent:(NSNotification *)note
     // Check the event here and do the right thing.
     
     NSString *action = [[note userInfo] objectForKey:@"action"];
+
+    NSLog(@"ACTION: %@", action);
+
+    if ([action isEqualToString:@"ERR"]) {
+        [app setStatus:@"Booting failed. Review the logs or \"Open in Terminal\"."];
+    }
+
     if ([action isEqualToString:@"READY"]) {
         NSLog(@"Enabling App: %@", hostname);
         [app enterState:TKDAppOn];
-    } else if ([action isEqualToString:@"FAILED"] || [action isEqualToString:@"REMOVED"]) {
+    } else if ([action isEqualToString:@"FAILED"] || [action isEqualToString:@"REMOVED"] || [action isEqualToString:@"ERR"]) {
         NSLog(@"Disabling App: %@", hostname);
         [app enterState:TKDAppOff];
     }