This document explains how to fix Microsoft Outlook error code 0x8DE00001 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: Server Error: 4102 Server: ‘https://mail.services.live.com/XXXXX/Sync.aspx’ Windows Live Mail Error ID: 0x8DE00001
This solutions applies for following version of Microsoft Outlook:
Microsoft Office (2013/365/2016)
Error InformationError Descripton
Error 0x8DE00001 Outlook Overview
Total Incidents Recorded
Issues Resolved (Percentage)
Also Known as
Outlook fehler code 0x8DE00001, foutcode 0x8DE00001, fejlkode 0x8DE00001, code d’erreur 0x8DE00001, codice di errore 0x8DE00001, feil kode 0x8DE00001, cod de eroare 0x8DE00001, código de error 0x8DE00001
0x8DE00001 Error Code Log
Avg. Time to Resolve Issue
Microsoft Outlook <version> 3.43
Faulting Application Name: Microsoft Outlook <Application name>, version: 4.9.9044.05687, time stamp: 0×78274330
Faulting module name: Outlook event.dll, version: 5.9.6735.80017
Step 1: Temporarily Disable any installed 3rd Party Antivirus:
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. Hold Win Key + R. Run Dialogue Box will open up.
2. Type “Outlook /safe” and Click OK.
In most cases Outlook error 0x8DE00001 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.