This document explains how to fix Microsoft Windows error 0XC1900101-0X40017 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: 43 updates
– The installation failed in the second boot phase with an error during boot operation.
Error(s) found: Code 0XC1900101-0X40017 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 0XC1900101-0X40017 Windows Update Overview
Avg. Time to Resolve Issue   40 mins
Difficulty Very Hard
Log Name: MicrosofWindowsUpdateError5939.log
Source: System
Event ID: 4397
Operating System
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Level: Warning
User: User
Description:
  • Faulting Application Name: Window Update Manager , version: 6.6.0402.82843, time stamp: 0×58842459
  • Faulting module name: Windows  log.dll, version: 8.9.4984.85561
  • Exception code: 0xb04d079b
  • Fault offset: 0xc02g427d
  • Faulting process ID: 0×236
  • Faulting application start time: 0x800d3a00565756
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Windows\System32
  • Report ID: c8a56a61-3842-88b4-4385-6592ffe2a545
Also Known as
  • WindowsUpdate_0xc1900101-0x40017
  • 0XC1900101-0X40017
  • WindowsUpdate_0XC1900101-0X40017e
  • 0XC1900101-0X40017e
  • 0x0XC1900101-0X40017
  • fehler code 0XC1900101-0X40017, foutcode 0XC1900101-0X40017, fejlkode 0XC1900101-0X40017, code d’erreur 0XC1900101-0X40017, codice di errore 0XC1900101-0X40017, feil kode 0XC1900101-0X40017, cod de eroare 0XC1900101-0X40017, código de error 0XC1900101-0X40017

Cause of 0XC1900101-0X40017 Windows Update Error Code

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

How to fix Windows Error 0XC1900101-0X40017

Step 1: Disable any installed Antivirus/Malware/Adware Program Temporarily:

Some times Antivirus/Malware/Adware programs mark Microsoft Windows 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 2: 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 Live support for any help during the whole process. 

In most cases Microsoft Windows update error code 0XC1900101-0X40017 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: 01/02/2016
Solution ID: 592423

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    April 13th, 2016

    Posted In: Microsoft Windows

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