This document explains how to fix Microsoft Office Error code 30145-4 if it is not working correctly or throwing an unexpected error while installing/repairing/updating 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 code 30145-4 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
30145-4 Error Code Log
Avg. Time to Resolve Issue   40 mins
Difficulty Very Hard
Log Name: Microsoft Office <version> 9.17
Source: Incompatible System Files
Event ID: 2528
Task Category: (662)
Level: Memory Level
User: <Windows username>
  • Faulting application name: Microsoft Office <Application name>, version: 6.5.9530.89241, time stamp: 0×65974808
  • Faulting module name: Office error.dll, version: 2.5.1753.02316, time stamp: 0×71756475, time stamp: 0×71668167
  • Exception code: 0xb01d444a
  • Fault offset: 0xb09c661c
  • Faulting process ID: 0×219
  • Faulting application start time: 0x03bfee1c31111891
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Program Files (x86)\Microsoft Office\<appname>
  • Report ID: c9c72b19-8147-85a4-7793-8916beb5d977
Table of contents

Symptoms of Error Code

  • You will get error message while installing/updating/downloading Microsoft Office. The error may look like “Sorry something went wrong. Error code 30145-4
  • System may freeze at regular intervals
  • Microsoft Office Application Will stop working.

Cause of 30145-4 Error Code

  • Corrupt Ms Office installation files
  • Proxy issue
  • Microsoft office internal Application Conflict

How to Resolve Error Code 30145-4

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 Disable Proxy:

1. In Start Searchbox type “CMD” (without qoutes)
2. Click on CMD.
Office Resolve Error Proxy Check 3. In command Prompt Copy following commands (Simply select the command and press 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 Remove Conflicting System Files

1. In Start Search box type the “Cleanmgr” (without qoutes)
2. Click on Disk Cleanup.
Step Fix 30145-43. Drive Selection Box will open up. Select your Operating System drive and Click OK.
Select Drive for Diskcleanup4. Select all the check boxes and press OK.

Tick All Boxes and Press OK

In most cases error code 30145-4 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: 07/02/2016
Solution ID: 354150


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  • February 27th, 2016

    Posted In: Microsoft Office Errors

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