This document explains how to fix Microsoft Office 2013 activation error code 0x40 if it is not working correctly or throwing an unexpected error. 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 0x40 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
0x40 Error Code Log
Avg. Time to Resolve Issue   50 mins
Difficulty Very Hard
Log Name: Microsoft Office <version> 5.08
Source: Microsoft Office Application Error
Event ID: 2248
Task Category: (447)
Level: Memory Level
User: <Windows username>
  • Faulting application name: Microsoft Office <Application name>, version: 4.3.4838.00788, time stamp: 0×71585372
  • Faulting module name: Office error.dll, version: 5.0.2067.90258, time stamp: 0×19522804, time stamp: 0×27760729
  • Exception code: 0xc07g778d
  • Fault offset: 0xe03a957g
  • Faulting process ID: 0×782
  • Faulting application start time: 0x17debb1e54426972
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Office\<appname>
  • Report ID: c5e95e29-1292-51f2-9217-5224bba7c237
Table of contents

Symptoms of Error Code

  • You will get error message when launching/configuring Microsoft Office
  • Slow I/O Speed
  • Ms Office Application Will stop working.

Cause of 0x40 Error Code

  • Corrupt System Files
  • Windows Firewall Issue
  • Junk files location contains active malware

How to Resolve Error Code 0x40

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 Proxy Server Settings:
1. Press Win Key + R. Run Dialogue Box will open up.
2. Enter CMD and Click OK.
Office Resolve Error Proxy Check 3. In command Prompt Copy following commands (Simply select the command and hold ctrl+c and press ctrl+v in command prompt)

 netsh winhttp show proxy 

Check Proxy Setting

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

If you get the message “Direct Access (no proxy server)“, continue to the next step otherwise disable proxy from Network Settings.

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

Step 2 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 3 Check Windows Firewall Settings :
1. Hold Win Key + R and Enter “Firewall.cpl” (without quotes)
2. Click 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 0x40 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: 03/01/2016
Solution ID: 649650

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