Not able to start debugger and run table in MS Dynamics 2013 R2

Hello MSDN Dynamics Team.,

Debugger and run tab is not working in MS Dynamics NAV Development Environment. I am new in MS Dynamics and trying to fix the two errors below in the event viewer. 

I. Error5/24/2016 4:20:34 PMApplication Error1000(100)

Log Name:      Application

Source:        Application Error
Date:          5/24/2016 4:20:34 PM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      xxxxxxxxxx.xxxxx.xxxxx
Description:
Faulting application name: Microsoft.Dynamics.Nav.Client.exe, version: 7.1.40076.0, time stamp: 0x54f0eace
Faulting module name: KERNELBASE.dll, version: 6.3.9600.18264, time stamp: 0x56e1b34d
Exception code: 0xe0434352
Fault offset: 0x00015b68
Faulting process id: 0x2cd4
Faulting application start time: 0x01d1b5c76f40a99f
Faulting application path: D:\Microsoft Dynamics NAV\71\RoleTailored Client_40076\Microsoft.Dynamics.Nav.Client.exe
Faulting module path: C:\Windows\SYSTEM32\KERNELBASE.dll
Report Id: ad02a9db-21ba-11e6-80e7-00155d082343
Faulting package full name: 
Faulting package-relative application ID: 
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <Level>2</Level>
    <Task>100</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2016-05-24T14:20:34.000000000Z" />
    <EventRecordID>379924</EventRecordID>
    <Channel>Application</Channel>
    <Computer>xxxxxxx.xxxxxx</Computer>
    <Security />
  </System>
  <EventData>
    <Data>Microsoft.Dynamics.Nav.Client.exe</Data>
    <Data>7.1.40076.0</Data>
    <Data>54f0eace</Data>
    <Data>KERNELBASE.dll</Data>
    <Data>6.3.9600.18264</Data>
    <Data>56e1b34d</Data>
    <Data>e0434352</Data>
    <Data>00015b68</Data>
    <Data>2cd4</Data>
    <Data>01d1b5c76f40a99f</Data>
    <Data>D:\Microsoft Dynamics NAV\71\RoleTailored Client_40076\Microsoft.Dynamics.Nav.Client.exe</Data>
    <Data>C:\Windows\SYSTEM32\KERNELBASE.dll</Data>
    <Data>ad02a9db-21ba-11e6-80e7-00155d082343</Data>
    <Data>
    </Data>
    <Data>
    </Data>
  </EventData>
</Event>

II.Error 5/24/2016 4:20:34 PM.NET Runtime1026None

Log Name:      Application

Source:        .NET Runtime
Date:          5/24/2016 4:20:34 PM
Event ID:      1026
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      xxxx.xxxx
Description:
Application: Microsoft.Dynamics.Nav.Client.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileLoadException
Stack:
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.ParseCommandLineArguments(System.String[])
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.PrepareCore()
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.Prepare()
   at Microsoft.Dynamics.Nav.Client.Program.Main(System.String[])

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name=".NET Runtime" />
    <EventID Qualifiers="0">1026</EventID>
    <Level>2</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2016-05-24T14:20:34.000000000Z" />
    <EventRecordID>379923</EventRecordID>
    <Channel>Application</Channel>
    <Computer>xxxxx.xxxxxx</Computer>
    <Security />
  </System>
  <EventData>
    <Data>Application: Microsoft.Dynamics.Nav.Client.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileLoadException
Stack:
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.ParseCommandLineArguments(System.String[])
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.PrepareCore()
   at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.Prepare()
   at Microsoft.Dynamics.Nav.Client.Program.Main(System.String[])
</Data>
  </EventData>
</Event>

Any advise will be highly appreciated.

Thanks,

Glenn Sebastian