SOLVED! WindowsUpdate_C1900101″ “WindowsUpdate_DT000”

At times, your antivirus could be behind the “Windowsupdate_c1900101″ “Windowsupdate_dt000” error and you might be forced to disable it temporarily. It will also be worth clearing Software Distribution, restarting Windows Update services, updating in safe mode, and running the Media Creation Tool. Read up to the last sentence if you want to resume updating your Windows OS.

Causes Of The Error

Windows Update Services

In case you don’t know, the process of updating Windows depends on Update services. If one of those services acts up, the update of Windows should run into problems. Depending on the situation, the services may misbehave on their own or be triggered by other events. Thus, it may be difficult to identify what made them fail.

Antivirus Programs

Antivirus programs come in handy when it comes to the security of your computer. Still, at times, such programs may overreact which results in the interruptions of operations and the update of Windows is not an exception. You have a third-party antivirus program on your PC? Then you should give that program some thought while troubleshooting update issues. 

Third-Party Apps

To put it plainly, third-party applications help a lot with computer experience. Nonetheless, these applications could come into conflict with your system. If the conflict occurs during an update, there is a good chance that you would see errors like “Windowsupdate_c1900101″ “Windowsupdate_dt000”. 

Corrupted Files

Files in your computer can get corrupted for all sorts of reasons. If the corruption plagues system files on your Windows, expect to see the “Windowsupdate_c1900101″ “Windowsupdate_dt000” error as you update the OS. 

A Few Fixes

Disable Antivirus

If you suspect the “Windowsupdate_c1900101″ “Windowsupdate_dt000” error to be caused by your third-party antivirus program, you will need to disable it temporarily. If Windows Defender is running, there is no need to worry about your security. However, if  Windows Defender is disabled, you will have to re-enable it since your computer will be vulnerable to attacks.

Clear Software Distribution Files 

One of the best fixes for update issues is to delete files in the Software distribution folder. The folder temporarily stores files that needed to install updates and if the files had already been corrupted, deleting them will restore operations to normal. You need not worry since Windows will redownload the necessary files afresh.

  • Step 1: Press Windows key + R to open Run.
  • Step 2: Type C:\Windows\SoftwareDistribution then hit Enter to open the location of the files via File Explorer.
  • Step 3: Press Ctrl + A to select all then press the Delete key on your keyboard to delete everything.
  • Step 4: Restart your computer, open Settings then try making the update again

Restart Windows Update Services

The update services could be facing a small hitch hence causing the error. To perform an OS update, you will need to restart the services.

  • Step 1: Press Windows key + R to open Run.
  • Step 2: Type cmd then hit Enter to open Command Prompt.
  • Step 3: Stop the services responsible for updates by typing the following commands and hitting Enter after each of them.
    • net stop wuauserv
    • net stop cryptSvc
    • net stop bits
    • net stop msiserver
  • Step 5: Rename the Software distribution tool and Catroot2 by typing the following commands and hitting Enter after each of them
    • ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
    • ren C:\Windows\System32\catroot2 Catroot2.old
  • Step 6: Startup the service again by typing the following commands and hitting Enter after each of the commands.
    • net start wuauserv
    • net start cryptSvc
    • net start bits
    • net start msiserver
  • Step 7: Close Command Prompt, restart your computer and update Windows again. 

Update In Safe Mode

Worried about deleting your third-party applications? Well, you no longer have to be concerned since Safe Mode is here for you. In Safe Mode, Windows only starts with basic drivers and applications. Because of that, if one of your third-party applications is complicating the update process, you can update Windows in Safe Mode.

  • Step 1: Press the Windows key then click on the Power icon.
  • Step 2: Press and hold the Shift key as you select Restart.
  • Step 3: Select Troubleshoot then go to Advanced.
  • Step 4: Click Startup Settings then pick Restart.
  • Step 5: Once the PC restarts, follow the on-screen instructions to boot your computer in Safe Mode.
  • Step 6: While in Safe Mode, open Settings then see if you can update Windows.

Media Creation Tool

Since updating Windows may become a pain to many Windows 10 users, Microsoft came up with a software that can be used to repair your Windows 10’s files, this software is called Media Creation Tool. 

  • Step 1: Open your browser, visit the Microsoft website and download the Media Creation Tool.
  • Step 2: Once the download is complete, you will be prompted to run the tool so click Run.
  • Step 3: Carefully read the terms and conditions then click Accept.
  • Step 4: Select Upgrade this PC now then click Next.
  • Step 5: On the next window, select what to keep then click Install.
  • Step 6: After the installation is complete, choose the account you want to sign in with then accept the privacy terms.
  • Step 7: Sign in to your account then determine whether your issue has been solved

Manual Update

If all of the above solutions bear no success, you will have to manually update your system.

  • Step 1: Open your web browser then visit the Microsoft Update Catalog website.  
  • Step 2: Enter KB4100347 (version of Windows Update) in the search field then hit Enter.
  • Step 3: Find the version that matches your system then click Download to download it.
  • Step 4: Run the setup file then follow the prompts to install it


  • Back up important files before updating Windows in case things go wrong all of a sudden.
  • Desire to have a quick update? Update Windows offline.
  • If you don’t want to miss updates, set your computer to update automatically.
  • skeptical about the latest updates? Look for feedback on Microsoft forums.

What Can I Do To Stop Updates?

Are you bothered with random Windows updates? Windows 10 comes with a feature that can pause, defer or delay Windows 10 updates. To enable this feature, go to Settings, select Update and Security then click Windows Update. Scroll down to Advanced Options and you will see the three options. Choose one according to your preference.

Why Is My Computer Slow After Making An Update?

There are a number of issues that can make your computer slow. However, the common causes after the update are Windows Update cache and low space in the system C drive. You can solve this easily by extending system C Drive, clearing the Windows Update cache, and optimizing Disk Performance using Disk Defragmenter.

What Happens If I Don’t Update Windows?

Updating Windows is a personal choice but there are many dangers of neglecting updates. Failure to make an update means that you are not getting security patches which may leave your device vulnerable. For instance, Critical Updates contains fixes for specific problems that address critical bugs. If you don’t update Windows, you cannot get Critical Updates and that leads to a multitude of hassles. 

  • Add Your Comment