This document explains how to fix Microsoft Office Error code 30088-27 if it is not working correctly or throwing an unexpected error while updating or installing 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 30088-27 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
30088-27 Error Code Log
Avg. Time to Resolve Issue   45 mins
Difficulty Very Hard
Log Name: Microsoft Office <version> 5.55
Source: Incompatible System Files
Event ID: 9844
Task Category: (144)
Level: Application Level
User: <Windows username>
  • Faulting application name: Microsoft Office <Application name>, version: 9.5.0039.30666, time stamp: 0×66321082
  • Faulting module name: Office log.dll, version: 6.8.3229.91736, time stamp: 0×84299693, time stamp: 0×26590769
  • Exception code: 0xb05c297a
  • Fault offset: 0xb04f650e
  • Faulting process ID: 0×643
  • Faulting application start time: 0x03bacb9g71011595
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Office\<appname>
  • Report ID: e3b14a32-4334-33e6-7277-7967efd9g648
Table of contents

Symptoms of Error Code

  • You will get error when updating/installing/upgrading Microsoft Office
  • Slow down overall Windows performance
  • Microsoft Office will stop.

Cause of 30088-27 Error Code

  • Corrupt Ms Office installation files
  • DNS Conflict
  • Temporary Internet store location contains active malware

Steps to resolve Error Code 30088-27

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 Remove Conflicting System Files

1. Hold Win Key + R and Enter Cleanmgr
2. Click OK.

Step Fix 30088-273. Drive Selection Box will open up. Select the Operating System drive and Click OK.
Select Drive for Diskcleanup4. Select all the check boxes and click OK.

Tick All Boxes and Press OK

Step 2 Check Proxy Server Settings

1. Press down Win Key + R and Enter “CMD” (without quotes)
2. Hit Enter key
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 import proxy source=ie 

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 Live customer support for any help during the whole process. 


In most cases error code 30088-27 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.

Rate this Solution
Did this article help you?
83   2      
Last Updated: 03/01/2016
Solution ID: 494872

Recently Added Errors:

  • 30174-11 (1392) Error Code – How to Fix Steps
  • The Application Was Unable To Start Correctly 0xc00007b – How to Fix Steps
  • 30102-11 (1603) Error Code – How to Fix Steps
  • 255-13 Error Code – How to Fix Steps
  • 0-1011 Error Code – How to Fix Steps
  • 30174-4 Error Code – How to Fix Steps
  • 10106-1 Error Code – How to Fix Steps
  • 30125-1011 (1207) Error Code – How to Fix Steps
  • 30015-1015 (32) Error Code – How to Fix Steps
  • 1058-16 Error Code – How to Fix Steps
  • February 27th, 2016

    Posted In: Microsoft Office Errors

    LiveZilla Live Chat Software