diff --git a/mdl/m_datetime.pas b/mdl/m_datetime.pas
index e7d4674..99fecf0 100644
--- a/mdl/m_datetime.pas
+++ b/mdl/m_datetime.pas
@@ -364,12 +364,12 @@ Begin
   YearStr := strI2S(DT.Year);
   Result  := strReplace(Result, 'YYYY', YearStr);
   Result  := strReplace(Result, 'YY', Copy(YearStr, 3, 2));
-  Result  := strReplace(Result, 'MM', strZero(DT.Month)) +
-             strReplace(Result, 'DD', strZero(DT.Day)) +
-             strReplace(Result, 'HH', strZero(DT.Hour)) +
-             strReplace(Result, 'II', strZero(DT.Min)) +
-             strReplace(Result, 'SS', strZero(DT.Sec)) +
-             strReplace(Result, 'NNN', MonthString[DT.Month]);
+  Result  := strReplace(Result, 'MM', strZero(DT.Month));
+  Result  := strReplace(Result, 'DD', strZero(DT.Day));
+  Result  := strReplace(Result, 'HH', strZero(DT.Hour));
+  Result  := strReplace(Result, 'II', strZero(DT.Min));
+  Result  := strReplace(Result, 'SS', strZero(DT.Sec));
+  Result  := strReplace(Result, 'NNN', MonthString[DT.Month]);
 End;
 
 End.
diff --git a/mdl/m_prot_base.pas b/mdl/m_prot_base.pas
index de922a2..773114d 100644
--- a/mdl/m_prot_base.pas
+++ b/mdl/m_prot_base.pas
@@ -396,7 +396,7 @@ End;
   procedure AbstractProtocol.PrepareReceivePart;
     {-Parent-level inits for derived protocols}
   begin
-    GotOneFile := False;
+    GotOneFile     := False;
     ProtocolStatus := ecOk;
   end;
 
@@ -412,13 +412,14 @@ End;
     State : ProtocolStateType;
   begin
     PrepareReceivePart;
-    if ProtocolStatus <> ecOk then
-      Exit;
+
+    if ProtocolStatus <> ecOk then exit;
+
     repeat
       State := ProtocolReceivePart;
 
       aport.bufflush;
-    until State = psFinished;
+    until (State = psFinished) or not aport.connected;
   end;
 
   procedure AbstractProtocol.apResetStatus;
diff --git a/mdl/m_prot_zmodem.pas b/mdl/m_prot_zmodem.pas
index 612071f..375a7bc 100644
--- a/mdl/m_prot_zmodem.pas
+++ b/mdl/m_prot_zmodem.pas
@@ -704,7 +704,7 @@ Hex:
   begin
     ProtocolStatus := ecNoHeader;
 
-    while APort.DataWaiting do begin
+    while aport.connected and APort.DataWaiting do begin
       {Only get the next char if we don't know the header type yet}
       case HeaderState of
         hsNone, hsGotZPad, hsGotZDle :
@@ -1095,7 +1095,7 @@ Begin
 
   StatusTimer := TimerSet(StatusInterval);
 
-  APort.PurgeInputdata(0);
+  APort.PurgeInputData(0);
 
   HeaderType     := ZrInit;
   ZmodemState    := rzRqstFile;
@@ -1131,7 +1131,7 @@ Begin
     rzWaitFile,
     rzStartData,
     rzWaitEof    : Begin
-                     If Not APort.DataWaiting Then
+                     If Not APort.DataWaiting {And APort.Connected} Then
                        APort.WaitForData(1000);
 
                      If APort.DataWaiting Then Begin
@@ -1202,9 +1202,11 @@ Begin
             ZmodemState := rzError;
         end else if TimerUp(ReplyTimer) then begin
           Inc(BlockErrors);
+
           if BlockErrors < HandshakeRetry then begin
             PutHexHeader(ZNak);
-            ReplyTimer := TimerSet(HandshakeWait);
+
+            ReplyTimer  := TimerSet(HandshakeWait);
             ZmodemState := rzWaitFile;
             HeaderState := hsNone;
           end else
@@ -1362,9 +1364,12 @@ Begin
               end;
             else begin          {Fatal error opening file}
               SaveStatus := ProtocolStatus;
+
               CancelTransfer;
+
               ProtocolStatus := SaveStatus;
-              ZModemState := rzError;
+              ZModemState    := rzError;
+
               goto ExitPoint;
             end;
           end;
@@ -1681,7 +1686,7 @@ Begin
     end;
 
 ExitPoint:
-    {Set function result}
+
     case ZmodemState of
       rzRqstFile,
       rzSendInit,
@@ -2485,7 +2490,7 @@ Begin
   If ConvertToLower Then
     PacketStr := strLower(PacketStr);
 
-  PacketStr := PacketStr + #0 + strI2S(SrcFileLen);
+  PacketStr := PacketStr + #0 + strI2S(SrcFileLen) + #0;
   PacketLen := Length(PacketStr);
 
   Move(PacketStr[1], DataBlock^, PacketLen);
diff --git a/mdl/m_protocol_queue.pas b/mdl/m_protocol_queue.pas
index 6f10593..cf2d816 100644
--- a/mdl/m_protocol_queue.pas
+++ b/mdl/m_protocol_queue.pas
@@ -34,7 +34,7 @@ Type
     Constructor Create;
     Destructor  Destroy; Override;
 
-    Function    Add    (fPath, fName, fNew: String) : Boolean;
+    Function    Add    (CheckValid: Boolean; fPath, fName, fNew: String) : Boolean;
     Procedure   Delete (Idx: Word);
     Procedure   Clear;
     Function    Next : Boolean;
@@ -56,7 +56,7 @@ Begin
   Clear;
 End;
 
-Function TProtocolQueue.Add (fPath, fName, fNew: String) : Boolean;
+Function TProtocolQueue.Add (CheckValid: Boolean; fPath, fName, fNew: String) : Boolean;
 Var
   F : File;
 Begin
@@ -87,14 +87,14 @@ Begin
     Inc (QFSize, QData[QSize]^.FileSize);
 
     Close(F);
-  End Else Begin
+  End Else
+  If CheckValid Then Begin
     Dispose (QData[QSize]);
     Dec     (QSize);
 
     Exit;
-
-    // QData[QSize]^.Status := QueueNoFile;
-  End;
+  End Else
+    QData[QSize]^.Status := QueueNoFile;
 
   Result := True;
 End;
diff --git a/mdl/m_protocol_zmodem.pas b/mdl/m_protocol_zmodem.pas
index df9545c..5150507 100644
--- a/mdl/m_protocol_zmodem.pas
+++ b/mdl/m_protocol_zmodem.pas
@@ -1481,7 +1481,7 @@ Begin
   {$IFDEF ZDEBUG} ZLog('ZRecvFile -> File:' + FName); {$ENDIF}
   {$IFDEF ZDEBUG} ZLog('ZRecvFile -> Size:' + strI2S(FSize)); {$ENDIF}
 
-  Queue.Add(ReceivePath, FName, '');
+  Queue.Add(False, ReceivePath, FName, '');
 
   Queue.QData[Queue.QSize]^.FileSize := FSize;
   Queue.QData[Queue.QSize]^.Status   := QueueIntransit;