NEED HELP TO FIND OUT WHAT CAUSING THE ERROR. I HAVE ADMIN Rights and trying to add new record.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ComponentModel.Win32Exception: Access is denied

Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[Win32Exception (0x80004005): Access is denied]

[InvalidOperationException: Cannot open log for source {0}. You may not have write access.]
   System.Diagnostics.EventLog.OpenForWrite() +362
   System.Diagnostics.EventLog.WriteEvent(Int32 eventID, Int16 category, EventLogEntryType type, String[] strings, Byte[] rawData) +280
   System.Diagnostics.EventLog.WriteEntry(String message, EventLogEntryType type, Int32 eventID, Int16 category, Byte[] rawData) +462
   System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type, Int32 eventID, Int16 category, Byte[] rawData) +68
   System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type, Int32 eventID, Int16 category) +21
   System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type, Int32 eventID) +15
   System.Diagnostics.EventLog.WriteEntry(String source, String message, EventLogEntryType type) +11
   Microsoft.ApplicationBlocks.ExceptionManagement.DefaultPublisher.WriteToLog(String entry, EventLogEntryType type)
   Microsoft.ApplicationBlocks.ExceptionManagement.DefaultPublisher.Publish(Exception exception, NameValueCollection additionalInfo, NameValueCollection configSettings)
   Microsoft.ApplicationBlocks.ExceptionManagement.ExceptionManager.PublishInternalException(Exception exception, NameValueCollection additionalInfo)
   Microsoft.ApplicationBlocks.ExceptionManagement.ExceptionManager.Publish(Exception exception, NameValueCollection additionalInfo)
   Microsoft.ApplicationBlocks.ExceptionManagement.ExceptionManager.Publish(Exception exception)
   Kalsoft.Remitton.PresentationLayer.Controller.CurrencyRateSetupController.InsertCurrencyRate(BranchCurrencyRate obj) +45
   Remitton.Web.Pages.BranchSetup.GetCurrencyRate(Int64 branchId) +694
   Remitton.Web.Pages.BranchSetup.get_Branch() +1310
   Remitton.Web.Pages.BranchSetup.btnOk_ServerClick(Object sender, EventArgs e) +51
   System.Web.UI.HtmlControls.HtmlInputButton.OnServerClick(EventArgs e) +108
   System.Web.UI.HtmlControls.HtmlInputButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +138
   System.Web.UI.Page.ProcessRequestMain() +1292