kiwi syslog server 9.6.6.1 service automaticaly stopped

my company has the kiwi syslog server v 9.6.6.1 and today my kiwi automaticaly stopped. i received in application event viewer message

Application: Syslogd_Service.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.IndexOutOfRangeException

Stack:

   at SolarWinds.SyslogServer.Engine.NetworkingDeamon.ProcessTcpMessage(System.Net.Sockets.TcpListener, System.Text.Encoding, System.Collections.Generic.List`1<System.String>)

   at SolarWinds.SyslogServer.Engine.NetworkingDeamon+<>c__DisplayClass11.<ReinitTcp>b__d()

   at SolarWinds.SyslogServer.Engine.Implementation.WatcherThread.<.ctor>b__0()

   at System.Threading.ThreadHelper.ThreadStart_Context(System.Object)

   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)

   at System.Threading.ThreadHelper.ThreadStart()

and

Faulting application name: Syslogd_Service.exe, version: 9.6.6.1, time stamp: 0x5c013768

Faulting module name: KERNELBASE.dll, version: 6.3.9600.19178, time stamp: 0x5bc10573

Exception code: 0xe0434352

Fault offset: 0x00015ef8

Faulting process id: 0x%9

Faulting application start time: 0x%10

Faulting application path: %11

Faulting module path: %12

Report Id: %13

Faulting package full name: %14

Faulting package-relative application ID: %15

what i do?