This document explains how to fix Microsoft Outlook error 2146959355 if it is not working properly or throwing an error while installing, updating,  launching/opening, performing action like sending or receiving emails, configuring emails etc.

The error message may look like
-Cannot Connect to Microsoft Outlook error -2146959355

This solutions applies for following version of Microsoft Outlook:

  • Outlook 2007
  • Outlook 2010
  • Outlook 2013
  • Outlook 365
  • Outlook 2016
  • Microsoft Office (2013/365/2016)
Error InformationError Descripton
Error 2146959355 Outlook Overview
Total Incidents Recorded 277828
Issues Resolved (Percentage) 97%
Also Known as

Outlook fehler code 2146959355, foutcode 2146959355, fejlkode 2146959355, code d’erreur 2146959355, codice di errore 2146959355, feil kode 2146959355, cod de eroare 2146959355, código de error 2146959355

2146959355 Error Code Log
Avg. Time to Resolve Issue   50 mins
Difficulty Hard
Log Name: Microsoft Outlook <version> 4.07
Source: Memory Fault
Event ID: 2370
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: Memory Level
User: <Outlook username>
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 2.7.5750.58470, time stamp: 0×80545721
  • Faulting module name: Outlook  update.dll, version: 1.1.9775.38514
  • Exception code: 0xe05c259f
  • Fault offset: 0xa07f002e
  • Faulting process ID: 0×806
  • Faulting application start time: 0x06feeg6a49772187
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: a6a86e31-4243-33g3-5437-8548eeg7d968

Cause of 2146959355 Outlook Error Code

  • Windows Firewall Issue
  • System DLL files conflict

Steps to resolve Outlook Error 2146959355

Step 1: Disable any installed Antivirus/Malware/Adware Program Temporarily:

Some times Antivirus/Malware/Adware programs mark Microsoft office installer files as Spam and block it from installing. Please refer your vendors website for disabling it temporarily. Once installation is done you can activate it again.

Step 2: Start Outlook in Safe Mode:

1. Press Windows Key + R. Run Dialogue Box will open up.
2. Enter “Outlook /safe” and Click OK.

In most cases Outlook error code 2146959355 should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.

You can chat one-on-one with one of our Outlook Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 23/01/2016
Solution ID: 153310

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