This document explains how to fix Microsoft Outlook error code 0x800CCCF4 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:
Task ‘xxxxxx-Hotmail: Folder:Inbox Synchronizing headers,’ reported error (0x800CCCF4) : ‘An unknown error has occured. Please save any existing work and restart the program.

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 0x800CCCF4 Outlook Overview
0x800CCCF4 Error Code Log
Avg. Time to Resolve Issue   40 mins
Difficulty Very Hard
Log Name: Microsoft Outlook <version> 6.14
Source: Application Conflict
Event ID: 4092
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: Application Level
User: <Outlook username>
Description:
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 4.0.1214.64656, time stamp: 0×39864783
  • Faulting module name: Outlook  error.dll, version: 9.0.1502.32508
  • Exception code: 0xc05g944c
  • Fault offset: 0xe09e408f
  • Faulting process ID: 0×599
  • Faulting application start time: 0x09ceeb7g17409941
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: g5b54e92-4321-28a6-6384-7196aee4d735

Cause of 0x800CCCF4 Outlook Error Code

  • Slow Internet Connection
  • Temporary Internet store location contains active threat

How to Resolve Outlook Error Code 0x800CCCF4

Step 1: Check Windows Firewall Settings

1. In Start Search box type Firewall.cpl
Open Windows Firewall2. Click on Windows Firewall.
3. Click on “Turn Windows Firewall On or Off
Turn Windows Firewall on or off4. In Private network Setting, select “Turn off Windows firewall (not recommended)
5. Do the same for Public Network Setting.
Disable Windows Firewall6. Press OK.
Note: After the issue is resolved you must turn the Windows Firewall on.

Step 2: Verify Windows Firewall Settings

1. Press Win Key + R. Run Dialogue Box will open up.
2. Enter Firewall.cpl and Press OK.

3. Click on “Turn Windows Firewall On or Off
Turn Windows Firewall on or off4. In Private network Setting, select “Turn off Windows firewall (not recommended)
5. Do the same for Public Network Setting.
Disable Windows Firewall6. Press OK.
Note: After the issue is resolved you must turn the Windows Firewall on.

In most cases Outlook error code 0x800CCCF4 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: 01/02/2016
Solution ID: 564846

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