WSUS service stoping again and again after each few minutes and administration console not connecting

I had WSUS server installed on the same server as SCCM primary server.
My issues

1. WSUS was not stable, it crashed again after few minutes
2. WSUS administration console did not connect
3.  In SCCM console the status of Software update point was not healthy

After searching enough i got the following link (https://blogs.technet.microsoft.com/wsus/2016/05/05/the-long-term-fix-for-kb3148812-issues/)
which is relevant to this issue but in my case KB3148812 was not installed and the KB3159706 was installed.
Now to resolve this issue i took the following steps

1. Deleting the wsus file from (C:\user\username\AppData\Roaming\Microsoft\MMC)
2. Uninstalling KB3159706
3. Restarting the server

 my issue was resolved.


In event viewer the following errors found

Log Name:      Application
Source:        Windows Server Update Services
Date:          8/6/2016 7:52:08 PM
Event ID:      7053
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      SCCMPRSRV.pt.com
Description:
The WSUS administration console has encountered an unexpected error. This may be a transient error; try restarting the administration console. If this error persists,
Try removing the persisted preferences for the console by deleting the wsus file under %appdata%\Microsoft\MMC\.

System.IndexOutOfRangeException -- Index was outside the bounds of the array.
Source
Microsoft.UpdateServices.BaseApi
Stack Trace:
   at Microsoft.UpdateServices.Internal.BaseApi.SoapExceptionProcessor.DeserializeAndThrow(SoapException soapException)
   at Microsoft.UpdateServices.Internal.DatabaseAccess.AdminDataAccessProxy.ExecuteSPGetConfiguration()
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServerConfiguration.Load()
   at Microsoft.UpdateServices.Internal.ClassFactory.CreateWellKnownType(Type type, Object[] args)
   at Microsoft.UpdateServices.Internal.ClassFactory.CreateInstance(Type type, Object[] args)
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.set_UserSelectedCulture(String value)
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools.TrySetServerCulture(String culture)
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools.SetServerCulture()
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools..ctor(CultureInfo culture, IUpdateServer updateServer)
   at Microsoft.UpdateServices.UI.SnapIn.Common.ServerTools..ctor(ServerSummaryScopeNode serverSummaryScopeNode, SnapInTools snapInTools, IUpdateServer updateServer)
   at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.ConnectToServer()
   at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.get_ServerTools()
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Windows Server Update Services" />
    <EventID Qualifiers="0">7053</EventID>
    <Level>2</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2016-08-06T14:52:08.000000000Z" />
    <EventRecordID>55280</EventRecordID>
    <Channel>Application</Channel>
    <Computer>SCCMPRSRV.pt.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>The WSUS administration console has encountered an unexpected error. This may be a transient error; try restarting the administration console. If this error persists,
Try removing the persisted preferences for the console by deleting the wsus file under %appdata%\Microsoft\MMC\.

System.IndexOutOfRangeException -- Index was outside the bounds of the array.
Source
Microsoft.UpdateServices.BaseApi
Stack Trace:
   at Microsoft.UpdateServices.Internal.BaseApi.SoapExceptionProcessor.DeserializeAndThrow(SoapException soapException)
   at Microsoft.UpdateServices.Internal.DatabaseAccess.AdminDataAccessProxy.ExecuteSPGetConfiguration()
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServerConfiguration.Load()
   at Microsoft.UpdateServices.Internal.ClassFactory.CreateWellKnownType(Type type, Object[] args)
   at Microsoft.UpdateServices.Internal.ClassFactory.CreateInstance(Type type, Object[] args)
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.set_UserSelectedCulture(String value)
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools.TrySetServerCulture(String culture)
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools.SetServerCulture()
   at Microsoft.UpdateServices.UI.AdminApiAccess.AdminApiTools..ctor(CultureInfo culture, IUpdateServer updateServer)
   at Microsoft.UpdateServices.UI.SnapIn.Common.ServerTools..ctor(ServerSummaryScopeNode serverSummaryScopeNode, SnapInTools snapInTools, IUpdateServer updateServer)
   at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.ConnectToServer()
   at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.get_ServerTools()</Data>
  </EventData>
</Event>