Unable to add new contact

I have a emclinet data base of about 700 contacts but all of a sudden I cannot add any new contacts. I attach a stackdump of my last attempt to create new contact. Olease advise resolution. Thanks
MailClient 6.0.23181.0 [PID: 9156]
Description:             eM Client
Company:                 eM Client, Inc.
CPU:                     0%
CPU Time:                0:0:5
Physical Memory:         166048k
Virtual Memory:          554516k
Managed Heap:            8606k
Gen 0 Collections:       20
Gen 1 Collections:       7
Gen 2 Collections:       2
% Time in GC:            0.03%

Thread ID: 8336
Thread ID: 8364
Thread ID: 7768
Thread ID: 6204 [waiting]
Thread ID: 5380 [waiting]
Thread ID: 7096 [waiting]
Thread ID: 7360
Thread ID: 8612 [waiting]
Thread ID: 8964
Thread ID: 7424
Thread ID: 3676 [waiting]
Thread ID: 9188 [waiting]
Thread ID: 8896 [waiting]
Thread ID: 7720 [waiting]
Thread ID: 4176 [waiting]
Thread ID: 8492 [waiting]
Thread ID: 7384 [waiting]
Thread ID: 3336
Thread ID: 5224
Thread ID: 8556
Thread ID: 3100
Thread ID: 6756

Thread [#8336]
    [Internal Frame, ‘M–>U’]
*0. System.Windows.Forms.dll#0!System.Windows.Forms.Application+ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(dwComponentID=, reason=-1, pvLoopData=0) (source line information unavailable)
1. System.Windows.Forms.dll#0!System.Windows.Forms.Application+ThreadContext.RunMessageLoopInner(reason=-1, context=System.Windows.Forms.ApplicationContext) (source line information unavailable)
2. System.Windows.Forms.dll#0!System.Windows.Forms.Application+ThreadContext.RunMessageLoop(reason=, context=) (source line information unavailable)
3. MailClient.exe#0!MailClient.Program.b__4() (source line information unavailable)
4. MailClient.ExceptionUtils.dll#0!MailClient.ExceptionUtils.ExceptionUtils.Filter(body=, filter=MailClient.ExceptionUtils.ExceptionUtils+FilterDelegate, handler=System.Action`1<system.exception>) (source line information unavailable)
5. MailClient.exe#0!MailClient.Program.Main(args=) (source line information unavailable)

Thread [#8364]
[Internal Frame, ‘U–>M’]

Thread [#7768]

Thread [#6204]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Storage.Data.Compactor.CompactWorker(parameter=) (source line information unavailable)
2. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#5380]
*0. mscorlib.dll#0!System.Threading.Monitor.Wait(obj=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Storage.Application.TaskQueue.<.ctor>b__0() (source line information unavailable)
2. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart() (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#7096]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#7360]

Thread [#8612]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. System.dll#0!System.Net.TimerThread.ThreadProc() (source line information unavailable)
2. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart() (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#8964]
[Internal Frame, ‘M–>U’]
[IL Method without Metadata]
*0. System.Runtime.Remoting.dll#0!System.Runtime.Remoting.Channels.Ipc.IpcPort.WaitForConnect() (source line information unavailable)
1. System.Runtime.Remoting.dll#0!System.Runtime.Remoting.Channels.Ipc.IpcServerChannel.Listen() (source line information unavailable)
2. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart() (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#7424]

Thread [#3676]
*0. mscorlib.dll#0!System.Threading.WaitHandle.InternalWaitOne(waitableSafeHandle=, millisecondsTimeout=, hasThreadAffinity=, exitContext=) (source line information unavailable)
1. mscorlib.dll#0!System.Threading.WaitHandle.WaitOne(millisecondsTimeout=, exitContext=) (source line information unavailable)
2. mscorlib.dll#0!System.Threading.WaitHandle.WaitOne() (source line information unavailable)
3. MailClient.exe#0!MailClient.UI.Notifications.Notifier.checkQueue() (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
8. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart() (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#9188]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#8896]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#7720]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#4176]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#8492]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#7384]
*0. mscorlib.dll#0!System.Threading.WaitHandle.WaitAny(waitHandles=, millisecondsTimeout=, exitContext=) (source line information unavailable)
1. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.IdleWait(waitHandles=) (source line information unavailable)
2. MailClient.exe#0!MailClient.Commands.SynchronizationQueue.ThreadWorker(threadData=) (source line information unavailable)
3. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
4. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
5. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
6. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
7. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart(obj=) (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#3336]

Thread [#5224]
[Internal Frame, ‘M–>U’]
[IL Method without Metadata]
*0. System.dll#0!System.Net.Sockets.Socket.Receive(buffer=array [16416], offset=0, size=, socketFlags=System.Net.Sockets.SocketFlags, errorCode=System.Net.Sockets.SocketError) (source line information unavailable)
1. System.dll#0!System.Net.Sockets.Socket.Receive(buffer=, offset=, size=, socketFlags=) (source line information unavailable)
2. System.dll#0!System.Net.Sockets.NetworkStream.Read(buffer=, offset=, size=) (source line information unavailable)
3. System.dll#0!System.Net.FixedSizeReader.ReadPacket(buffer=array [16416], offset=0, count=5) (source line information unavailable)
4. System.dll#0!System.Net.Security._SslStream.StartFrameHeader(buffer=array [8192], offset=0, count=8192, asyncRequest=) (source line information unavailable)
5. System.dll#0!System.Net.Security._SslStream.StartReading(buffer=array [8192], offset=0, count=8192, asyncRequest=) (source line information unavailable)
6. System.dll#0!System.Net.Security._SslStream.ProcessRead(buffer=, offset=, count=, asyncRequest=) (source line information unavailable)
7. System.dll#0!System.Net.Security.SslStream.Read(buffer=, offset=, count=) (source line information unavailable)
8. System.dll#0!System.IO.Compression.DeflateStream.Read(array=array [1], offset=, count=1) (source line information unavailable)
9. mscorlib.dll#0!System.IO.Stream.ReadByte() (source line information unavailable)
10. MailClient.Imap.Base.dll#0!MailClient.Utils.UnbufferedTextReader.ReadLine() (source line information unavailable)
11. MailClient.Imap.Base.dll#0!MailClient.Imap.Base.Connection.ReceiveWorker() (source line information unavailable)
12. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart_Context(state=) (source line information unavailable)
13. mscorlib.dll#0!System.Threading.ExecutionContext.RunInternal(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
14. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=, preserveSyncCtx=) (source line information unavailable)
15. mscorlib.dll#0!System.Threading.ExecutionContext.Run(executionContext=, callback=, state=) (source line information unavailable)
16. mscorlib.dll#0!System.Threading.ThreadHelper.ThreadStart() (source line information unavailable)
[Internal Frame, ‘U–>M’]

Thread [#8556]
[Internal Frame, ‘M–>U’]
[IL Method without Metadata]
*0. System.dll#0!System.Net.Sockets.Socket.Receive(buffer=array [16416], offset=0, size=, socketFlags=System.Net.Sockets.SocketFlags, errorCode=System.Net.Sockets.SocketError) (source line information unavailable)
1. System.dll#0!System.Net.Sockets.Socket.Receive(buffer=, offset=, size=, socketFlags=) (source line information unavailable)
2. System.dll#0!System.Net.Sockets.NetworkStream.Read(buffer=, offset=, size=) (source line information unavailable)
3. System.dll#0!System.Net.FixedSizeReader.ReadPacket(buffer=array [16416], offset=0, count=5) (source line information unavailable)
4. System.dll#0!System.Net.Security._SslStream.StartFrameHeader(buffer=array [8192], offset=0, count=8192, asyncRequest=) (source line information unavailable)
5. System.dll#0!System.Net.Security._SslStream.StartReading(buffer=array [8192], offset=0, count=8192, asyncRequest=) (source line information unavailable)
6. System.dll#0!System.Net.Security._SslStream.ProcessRead(buffer=, offset=, count=, asyncRequest=</.ctor></system.exception>

Hello, unfortunately I’m not quite sure what is this referring to, what happens when you try to add a new contact? Is there an error thrown, or does the application crash or freeze?

What mail/contacts service are you using with eM Client? Are you using any security software on your computer, that may have disabled the application’s ability to connect to the mail server?

Regards,