diff --git a/SparkleLib/Git/SparkleRepoGit.cs b/SparkleLib/Git/SparkleRepoGit.cs
index 5922a400..f452b2cc 100644
--- a/SparkleLib/Git/SparkleRepoGit.cs
+++ b/SparkleLib/Git/SparkleRepoGit.cs
@@ -668,7 +668,9 @@ namespace SparkleLib.Git {
                 
                 Error = ErrorStatus.HostIdentityChanged;
                 
-            } else if (line.StartsWith ("Permission denied")) {
+            } else if (line.StartsWith ("Permission denied") ||
+                       line.StartsWith ("ssh_exchange_identification: Connection closed by remote host")) {
+
                 Error = ErrorStatus.AuthenticationFailed;
                 
             } else if (line.StartsWith ("error: Disk space exceeded")) {
diff --git a/SparkleShare/SparkleControllerBase.cs b/SparkleShare/SparkleControllerBase.cs
index b4d35d6f..1ee73f95 100644
--- a/SparkleShare/SparkleControllerBase.cs
+++ b/SparkleShare/SparkleControllerBase.cs
@@ -336,7 +336,9 @@ namespace SparkleShare {
                         ProgressSpeedDown += rep.ProgressSpeed;
                 }
 
-                ProgressPercentage = percentage / repo_count;
+                if (repo_count > 0)
+                    ProgressPercentage = percentage / repo_count;
+
                 UpdateState ();
             };
 
diff --git a/SparkleShare/SparkleStatusIconController.cs b/SparkleShare/SparkleStatusIconController.cs
index 7792ac4d..afcff63f 100755
--- a/SparkleShare/SparkleStatusIconController.cs
+++ b/SparkleShare/SparkleStatusIconController.cs
@@ -209,7 +209,7 @@ namespace SparkleShare {
         {
             foreach (SparkleRepoBase repo in Program.Controller.Repositories) {
                 if (repo.Name.Equals (subfolder))
-                    repo.ForceRetry ();
+                    new Thread (() => repo.ForceRetry ()).Start ();
             }
         }