This document explains how to fix Microsoft Windows error code 0x8007042c if it is not working properly or throwing an error while installing, updating or upgrading Windows.

The error message may look like:
– Windows could not search for new updates. An error occurred while checking for new updates for your computer.
– Some updates were not installed. Failed: 94 updates
– Windows Firewall can’t change some of your settings
Error(s) found: Code 0x8007042c Windows update encountered an unknown error.

This solutions applies for following version of Microsoft Windows:

  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Error 0x8007042c Windows Update Overview
Avg. Time to Resolve Issue   30 mins
Difficulty Hard
Log Name: MicrosofWindowsUpdateError1821.log
Source: System
Event ID: 2536
Operating System
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Level: Critical Error
User: System
Description:
  • Faulting Application Name: Window Update Manager , version: 2.5.3437.81161, time stamp: 0×64722430
  • Faulting module name: Windows  update.dll, version: 2.6.5697.75951
  • Exception code: 0xe04f751c
  • Fault offset: 0xd02b310a
  • Faulting process ID: 0×872
  • Faulting application start time: 0x800c6b40979175
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Windows\System32
  • Report ID: e2e41f56-7711-47f1-5321-2787fbe2d886
Also Known as
  • WindowsUpdate_0x8007042c
  • 0x8007042c
  • WindowsUpdate_0x8007042ce
  • 0x8007042ce
  • 0x0x8007042c
  • fehler code 0x8007042c, foutcode 0x8007042c, fejlkode 0x8007042c, code d’erreur 0x8007042c, codice di errore 0x8007042c, feil kode 0x8007042c, cod de eroare 0x8007042c, código de error 0x8007042c

Cause of 0x8007042c Windows Update Error Code

  • Application Conflict
  • Temp store location contains active threat

How to fix Windows Error 0x8007042c

Step 1: Temporarily Disable Windows Firewall Setting :
1. Press Win Key + R and Type “Firewall.cpl” (without quotes)
2. 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.

Step 2: Check System Integrity:
1. Hold Win Key + R. Run Dialogue Box will open up.
2. Enter CMD and Click OK.
open command prompt3. In command Prompt Copy following commands (Simply select the command and hold Ctrl+C and press Ctrl+V in command prompt)

 sfc /scannow 

sfc scannow
The system will take some time to check. Let it run for a while. If it finds any issues in “operating system” integrity it will automatically fix it.

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

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

In most cases Microsoft Windows update error code 0x8007042c 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 Microsoft Certified Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 13/01/2016
Solution ID: 286226

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    April 13th, 2016

    Posted In: Microsoft Windows

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