diff --git a/Lib.ProcessManaging/ProcessManager.cs b/Lib.ProcessManaging/ProcessManager.cs
index 750f71f..78b8812 100644
--- a/Lib.ProcessManaging/ProcessManager.cs
+++ b/Lib.ProcessManaging/ProcessManager.cs
@@ -52,21 +52,24 @@ namespace Lib.ProcessManaging
 
             while (!_cancellationTokenSource.IsCancellationRequested)
             {
-                foreach (var process in Process.GetProcesses())
+                IEnumerable<Process> processes = Process.GetProcesses();
+                foreach (var process in processes)
                 {
                     if (Processes.Any(p => p.EqualsProcess(process)))
                         continue;
 
                     IObservedProcess observedProcess = _observedProcessFactory.Create(process);
+                    if (string.IsNullOrEmpty(observedProcess.FileName))
+                        continue;
+                    
                     Processes.Add(observedProcess);
                     ProcessStarted?.Invoke(this, observedProcess);
                 }
 
-                foreach (var observedProcess in Processes.ToList().Where(p => !Process.GetProcesses().Any(p.EqualsProcess)))
+                foreach (var observedProcess in Processes.ToList().Where(p => !processes.Any(p.EqualsProcess)))
                 {
                     Processes.Remove(observedProcess);
-                    ProcessExited?.Invoke(this, observedProcess); //TestMe: is the passed process still usable? (disposed directly afterwards)
-                    observedProcess.Dispose();
+                    ProcessExited?.Invoke(this, observedProcess);
                 }
 
                 Thread.Sleep(1000);
@@ -78,7 +81,7 @@ namespace Lib.ProcessManaging
         
         public void Dispose()
         {
-            Processes.ForEach(p => p.Dispose());
+            Processes.Clear();
             
             _cancellationTokenSource.Cancel();
             _cancellationTokenSource.Dispose();