Crash: Logos 4 4.6c update

I have automatic updates, but it crashed after the update, the crashed log said that it is because of ArgumentOutOfRangeException , what should I do?1732.Logos4Crash.txt

the crash log text

Program Version: 4.6c (4.63.0.0357)
Windows Version: 5.1.2600.196608
Time: 2013-07-07 06:40:36 -05:00 (2013-07-07T11:40:36Z)
Installed memory: 2,047 MB
Install path: C:\Documents and Settings\Dad4Gen\Local Settings\Application Data\Logos4\System\Logos4.exe
Free install space: 100,829 MB
Data path: C:\Documents and Settings\Dad4Gen\Local Settings\Application Data\Logos4\Data\uy0anqfo.wof
Free disk space: 100,829 MB
Temp path: C:\Documents and Settings\Dad4Gen\Local Settings\Temp\
Free temp space: 100,829 MB

Error ID: 6593
Error detail: ArgumentOutOfRangeException: The TimeSpan must have a positive duration.
參數名稱: ts

System.ArgumentOutOfRangeException: The TimeSpan must have a positive duration.
參數名稱: ts
   於 Libronix.Utility.TimeSpanUtility.FormatForLogging(TimeSpan ts)
   於 Logos.Sync.Client.SyncManager.<SyncManagerThread>b__9(KeyValuePair`2 x)
   於 System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   於 Libronix.Utility.EnumerableUtility.<IntersperseIterator>d__84`1.MoveNext()
   於 System.Linq.Enumerable.Aggregate[TSource,TAccumulate](IEnumerable`1 source, TAccumulate seed, Func`3 func)
   於 Libronix.Utility.StringUtility.Join(IEnumerable`1 seq, String strSeparator)
   於 Logos.Sync.Client.SyncManager.SyncManagerThread()
   於 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   於 System.Threading.ExecutionContext.runTryCode(Object userData)
   於 System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
   於 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   於 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   於 System.Threading.ThreadHelper.ThreadStart()