This document explains how to fix Microsoft Office Error code 5-26 if it is not working correctly or throwing an unexpected error while installing/updating Microsoft office. This solutions applies for Office Home, Office Personal, Office University, Office Academy, Office for business, Office Professional, Office Professional Plus, Office 365, Office 2013, and Office 2016. The error 5-26 generally occurs while installing Office, Upgrading office, Opening Office, launching Office, removing/uninstalling Microsoft office or while applying windows updates. This error applies to all Microsoft office Products (Word, Excel, PowerPoint, Outlook, OneNote, Access, Project, Publisher, Visio, Infopath) and the error generally occurs in Windows 10, Windows 8, Windows 8.1, Windows 7, Windows Vista, Windows XP and other Microsoft Windows Editions.

Error InformationError Descripton
5-26 Error Code Overview
5-26 Error Code Log
Avg. Time to Resolve Issue   30 mins
Difficulty Hard
Log Name: Microsoft Office <version> 8.25
Source: Memory Fault
Event ID: 8184
Task Category: (323)
Level: Memory Level
User: <Windows username>
  • Faulting application name: Microsoft Office <Application name>, version: 5.8.1611.65841, time stamp: 0×25036011
  • Faulting module name: Office update.dll, version: 5.0.6234.69749, time stamp: 0×86953761, time stamp: 0×96437070
  • Exception code: 0xb01d486e
  • Fault offset: 0xc01f255c
  • Faulting process ID: 0×440
  • Faulting application start time: 0x03efcf1a03453491
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Office\<appname>
  • Report ID: g3d97b88-3176-62c1-5735-4438dcg9f213
Table of contents

Symptoms of Error Code

  • You will get error messages while installing/updating/repairing Microsoft Office. The error may look like:Something Went Wrong

    We’re sorry, we ran into a problem updating Office.  Please try again after restarting your computer.  If you continue to experience problems, repair Office from ‘Programs and Features’ in the Control Panel.

    Error Code: 5-26

  • Computer will be slow to respond
  • Microsoft Office Apps freezes at times.

Cause of 5-26 Error Code

  • Corrupt Office apps
  • Internet connectivity issue
  • System Level Conflict

How to Resolve Error Code 5-26

The steps given below should be followed under strict supervision of a Computer Expert. We are not responsible if anything goes wrong with your PC following the steps. All the steps given above are indicative and should resolve the problem in most cases.  You can contact our 24×7 technical support for guaranteed resolution of the issue.
Step 1 Check Internet explorer Settings Configuration:
1. Hold Win Key + R and Enter “iexplore” (without quotes)
2. Click OK.

Open Internet Explorer3. Goto Tools and Select Internet Options
Select Internet Options From tools menu4. Select Security Tab and Click on “Reset all zones to default level” if the button is active.
Reset Internet Settings
5. Press OK.

Step 2 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 3 Verify Windows Firewall Settings :

1. Press Windows 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 error code 5-26 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 Technical Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 21/02/2016
Solution ID: 833087


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  • February 27th, 2016

    Posted In: Microsoft Office Errors

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