diff --git a/nanoFramework.Tools.DebugLibrary.Shared/PortSerial/PortSerialManager.cs b/nanoFramework.Tools.DebugLibrary.Shared/PortSerial/PortSerialManager.cs
index 0fb3063b..a60bde89 100644
--- a/nanoFramework.Tools.DebugLibrary.Shared/PortSerial/PortSerialManager.cs
+++ b/nanoFramework.Tools.DebugLibrary.Shared/PortSerial/PortSerialManager.cs
@@ -611,7 +611,7 @@ private bool CheckValidNanoFrameworkSerialDevice(NanoDevice<NanoSerialDevice> de
                     }
                 }
             }
-            catch
+            catch (Exception /* ex */)   // we could eat simple programming errors here - like a bad cast or other problem when changing code
             {
                 // "catch all" required because the device open & check calls might fail for a number of reasons
                 // if there is a deviceID, remove it from cache, just in case
diff --git a/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/Engine.cs b/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/Engine.cs
index d00a4c4e..e50a0f17 100644
--- a/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/Engine.cs
+++ b/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/Engine.cs
@@ -1388,7 +1388,7 @@ internal WireProtocolRequest AsyncRequest(OutgoingMessage message, int timeout)
 
 #region Commands implementation
 
-        private List<Commands.Monitor_MemoryMap.Range> GetMemoryMap()
+        public List<Commands.Monitor_MemoryMap.Range> GetMemoryMap()
         {
             Commands.Monitor_MemoryMap cmd = new Commands.Monitor_MemoryMap();
 
@@ -1461,7 +1461,7 @@ public TargetInfo GetMonitorTargetInfo()
             return null;
         }
 
-        private List<Commands.Monitor_FlashSectorMap.FlashSectorData> GetFlashSectorMap()
+        public List<Commands.Monitor_FlashSectorMap.FlashSectorData> GetFlashSectorMap()
         {
             IncomingMessage reply = PerformSyncRequest(Commands.c_Monitor_FlashSectorMap, 0, null);
 
diff --git a/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/WireProtocolRequest.cs b/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/WireProtocolRequest.cs
index 146262d1..d0acd4dc 100644
--- a/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/WireProtocolRequest.cs
+++ b/nanoFramework.Tools.DebugLibrary.Shared/WireProtocol/WireProtocolRequest.cs
@@ -19,7 +19,7 @@ public class WireProtocolRequest
         public CancellationToken CancellationToken { get; }
         public TaskCompletionSource<IncomingMessage> TaskCompletionSource { get; }
 
-        public DateTimeOffset Expires { get; private set; } = DateTime.MaxValue;
+        public DateTimeOffset Expires { get; private set; } = DateTimeOffset.MaxValue;
 
         public DateTime RequestTimestamp { get; private set; }