This document explains how to fix Microsoft Outlook error code 0x800CCC90 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 may look like:   POP3 Server Error 0x800CCC90

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 0x800CCC90 Outlook Overview
Total Incidents Recorded 391682
Issues Resolved (Percentage) 95%
Also Known as

Outlook fehler code 0x800CCC90, foutcode 0x800CCC90, fejlkode 0x800CCC90, code d’erreur 0x800CCC90, codice di errore 0x800CCC90, feil kode 0x800CCC90, cod de eroare 0x800CCC90, código de error 0x800CCC90

0x800CCC90 Error Code Log
Avg. Time to Resolve Issue   50 mins
Difficulty Very Hard
Log Name: Microsoft Outlook <version> 3.02
Source: DNS Error
Event ID: 4057
Operating System
  • Windows 7
  • Windows 8
  • Windows 10
Level: Memory Level
User: <Outlook username>
Description:
  • Faulting Application Name: Microsoft Outlook <Application name>, version: 6.9.0082.67032, time stamp: 0×38797471
  • Faulting module name: Outlook  log.dll, version: 3.8.0412.27127
  • Exception code: 0xb07d662b
  • Fault offset: 0xb05a823e
  • Faulting process ID: 0×603
  • Faulting application start time: 0x04dgge3e34136055
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Outlook\<appname>
  • Report ID: f5d66e46-1349-75d5-7281-9157eab8c341

Cause of 0x800CCC90 Outlook Error Code

  • DNS Conflict
  • System DLL files conflict

How to Resolve Outlook Error 0x800CCC90

Step 1: Check for corrupt system files
1. Hold Win Key + R. Run Dialogue Box will open up.
2. Enter CMD and Press OK.
open command prompt3. In command Prompt Copy following commands (Simply select the command and hold Ctrl+C and press Ctrl+V in command prompt)

 sfc /scannow 

sfc scannow
The system will take some time to check. Let it run for a while. If it finds any issues in “system” integrity it will automatically fix it.

Note: You will need Administrator Access to Run the above command. Simply Right Click on cmd button and select “Run as Administrator

 You can contact our 24×7 customer Live Technician for any help during the whole process. 

Step 2: Start Outlook in Safe Mode

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

In most cases Outlook error code 0x800CCC90 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: 22/01/2016
Solution ID: 859564

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