1.    06 Aug 2015 #1
    Join Date : Aug 2015
    Posts : 1
    Windows 8.1 Pro

    Windows 10 installation failed on 2nd stage.


    An error occured when my installation goes to second stage. Then it recovered my last OS version and said that update fail because this "WindowsUpdate_C1900101 OR WindowsUpdate_dt000". What I have to do? My Windows 10 Update application also gone from my taskbar.
      My ComputerSystem Spec
  2.    06 Aug 2015 #2
    Join Date : Apr 2014
    Space coast of Florida
    Posts : 5,373
    Windows 10 Pro X64 16299.19

    There are some things you can try in this article by Andre De Costa:

    How to Troubleshoot common Setup and Stop Errors during Windows - Microsoft Community

    Search the article for c1900101.
      My ComputersSystem Spec

 


Similar Threads
Thread Forum
Solved Something happened: Windows 10 installation has failed
Hello everybody, I'm having issues upgrading to Windows 10 on my Windows 7 PC. I've tried to install it using countless methods - triggering the upgrade via console command, burning an ISO to USB, editing the registry, but on all but one occasion I...
Installation and Upgrade
Dell Venue 8 Pro - Windows 10 Installation failed
I have dell venue 8 pro with 32 bit Windows 8.1. in GWX, I have reserved it for win10. I waited up 30th 8am for any notification. I did not get any. Then I tried installation media creation tool for win 10. When the tool was started, I got...
Installation and Upgrade
Something Happened Windows 10 installation failed (Grey box)
Ok so I've tried every fix I can find/think of and Windows 10 still will not download on my husbands laptop, mine however upgrade perfectly on the first try. He has Windows 7 Home Premium, Service Pack1 Processor is AMD E-350 Processor 1.60 GHz...
Installation and Upgrade
Solved Windows installation failed
My Windows 8.1 desktop will not install Win10 using Windows Update as this fails every time. I have tried deleting all files in C:/Windows/SoftwareDistribution/Download, running 'wuauclt.exe /updatenow' from an elevated command prompt after...
Installation and Upgrade
Windows 10 installation has failed.
I'm trying to install Windows 10 IP. However this message pops out. 21674 No idea what's happened. My harddrive has 38GB free. Here's my setuperr.log 2015-06-16 12:02:28, Error MOUPG CSystemHelper::CheckConnectedStandby(642):...
Installation and Upgrade
Our Sites
Site Links
About Us
Windows 10 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 10" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd
All times are GMT -5. The time now is 13:10.
Find Us
Twitter Facebook Google+ Ten Forums iOS App Ten Forums Android App



Windows 10 Forums