diff --git a/MediaBrowser.Api/ApiEntryPoint.cs b/MediaBrowser.Api/ApiEntryPoint.cs
index a677bc6004..dc811812ae 100644
--- a/MediaBrowser.Api/ApiEntryPoint.cs
+++ b/MediaBrowser.Api/ApiEntryPoint.cs
@@ -237,9 +237,12 @@ namespace MediaBrowser.Api
         {
             lock (_activeTranscodingJobs)
             {
-                var job = _activeTranscodingJobs.First(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
+                var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
 
-                _activeTranscodingJobs.Remove(job);
+                if (job != null)
+                {
+                    _activeTranscodingJobs.Remove(job);
+                }
             }
 
             if (!string.IsNullOrWhiteSpace(state.Request.DeviceId))
diff --git a/MediaBrowser.Common/ScheduledTasks/IntervalTrigger.cs b/MediaBrowser.Common/ScheduledTasks/IntervalTrigger.cs
index 5107db6c4d..8038d5551d 100644
--- a/MediaBrowser.Common/ScheduledTasks/IntervalTrigger.cs
+++ b/MediaBrowser.Common/ScheduledTasks/IntervalTrigger.cs
@@ -60,7 +60,15 @@ namespace MediaBrowser.Common.ScheduledTasks
                 triggerDate = DateTime.UtcNow.AddMinutes(1);
             }
 
-            Timer = new Timer(state => OnTriggered(), null, triggerDate - DateTime.UtcNow, TimeSpan.FromMilliseconds(-1));
+            var dueTime = triggerDate - DateTime.UtcNow;
+            var maxDueTime = TimeSpan.FromDays(7);
+
+            if (dueTime > maxDueTime)
+            {
+                dueTime = maxDueTime;
+            }
+
+            Timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
         }
 
         /// <summary>