This document explains how to fix Microsoft Windows error code 0xC1800103 – 0x90002 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.
– Something Happened 0xC1800103 – 0x90002
– windows 10 install failed – code 0xC1800103 – 0x90002
– Some updated were not installed. Failed: 72 updates
– We’re not sure what happened, but we’re unable to run this tool on your PC. If you continue to experience problems, reference the error code when contacting customer service. Error code: 0xC1800103-0x90002.
Error(s) found: Code 0xC1800103 – 0x90002 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 0xC1800103 - 0x90002 Windows Update Overview
Avg. Time to Resolve Issue   45 mins
Difficulty Hard
Log Name: MicrosofWindowsUpdateError7399.log
Source: Service Control manager
Event ID: 5895
Operating System
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Level: Warning
User: Admin
Description:
  • Faulting Application Name: Window Update Manager , version: 3.7.0430.78275, time stamp: 0×66049595
  • Faulting module name: Windows  log.dll, version: 4.4.3166.90322
  • Exception code: 0xb04b471f
  • Fault offset: 0xe08g870a
  • Faulting process ID: 0×349
  • Faulting application start time: 0x800d8c98450604
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Windows\System32
  • Report ID: f9f58f92-7821-89g3-8597-8273deb7f139
Also Known as
  • WindowsUpdate_0xc1800103 – 0x90002
  • 0xC1800103 – 0x90002
  • WindowsUpdate_0xC1800103 – 0x90002e
  • 0xC1800103 – 0x90002e
  • 0xC1800103 – 0x90002
  • fehler code 0xC1800103 – 0x90002, foutcode 0xC1800103 – 0x90002, fejlkode 0xC1800103 – 0x90002, code d’erreur 0xC1800103 – 0x90002, codice di errore 0xC1800103 – 0x90002, feil kode 0xC1800103 – 0x90002, cod de eroare 0xC1800103 – 0x90002, código de error 0xC1800103 – 0x90002

Cause of 0xC1800103 – 0x90002 Windows Update Error Code

  • Internet connectivity issue
  • Temporary Internet store location is infected with active malware

How to fix Windows Error 0xC1800103 – 0x90002

Step 1: Disable Proxy:

1. Press down Windows Key + R and Type CMD
2. Press 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 Live support for any help during the whole process. 

Step 2: Check for corrupt system files:
1. Press Win Key + R. Run Dialogue Box will open up.
2. Enter CMD and Press OK.
open command prompt3. In command Prompt Copy following commands (Simply select the command and press 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 “os” 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 0xC1800103 – 0x90002 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: 23/02/2016
Solution ID: 338777

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    April 13th, 2016

    Posted In: Microsoft Windows

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