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Best Solutions for the 0xC1900101 0x20017 Error on Windows Installation

Resolving the 0xC1900101 0x20017 Error: Expert Solutions for Smooth Windows Installation


The 0xC1900101 0x20017 error is associated with the error message “The installation failed in SAFE_OS phase with an error during BOOT operation.” It usually comes up when upgrading Windows. Some users attempt a system restart or force shutdown, but the error persists.

This error can lead to a rollback of the operating system. Some common causes of this error include incompatible drivers, corrupted system files, insufficient disk space, and hardware problems. We will discuss workable solutions to this problem.

Fix 0xC1900101 0x20017 by performing an SFC scan

Performing the SFC scan with the built-in System File Checker (SFC) tool can help to keep your Windows system running smoothly. It scans for corrupted files causing issues, like the 0xC1900101 0x20017 error. After the scan, reboot before installing the latest Windows version.

To perform an SFC scan, use the following steps:

  1. Press the Windows and S keys together and type cmd in the text field.
  2. Then, choose the Run as administrator option on the right side to start the Command Prompt with administrator privileges.
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  3. Once the User Account Control prompts you, select Yes to continue.
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  4. When the Command Prompt displays, enter the following command into the prompt and tap the Enter key to start an SFC scan:
    sfc /scannow
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  5. Once the scan is complete, copy and paste the command below and press the Enter key to run the command:
    DISM.exe /Online /Cleanup-image /Restorehealth
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  6. Finally, it would be best to restart your computer to implement repairs.

Repair 0xC1900101 0x20017 by performing system drivers update

Performing a system driver update can assist you in fixing the 0xC1900101 0x20017 error by confirming that your computer’s drivers are compatible with the new version of Windows. Windows checks for driver compatibility during installation. Windows will not install new updates if any driver is not compatible.

Here is how to do it:

  1. Hold the Windows and I keys simultaneously to launch the Settings window.
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  2. Then, click the Windows Update option next.
  3. Afterward, select Advanced Options.
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  4. Then, tap the Optional updates option next.
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  5. Once in the options, expand the Driver Updates section, select the appropriate drive, Download, and Install all the available updates.
  6. Lastly, restart your computer.

Perform clean boot to fix 0xC1900101 0x20017

Performing a clean boot can help to fish out conflicts. This process temporarily disables all non-essential startup programs and services. This process can help to detect and resolve programs and Windows conflicts, which can sometimes cause installation errors. Here is how to do it:

  1. Hold the Windows and R keys to open the Run dialog box, type msconfig in the Run entry field, and press Enter.
  2. Then, locate the Services tab, click on it, and check the Hide all Microsoft services box.
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  3.  Click on the Disable all button and then click Apply.
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  4. Select the Startup tab and then click Open Task Manager.
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  5. Now right-click on the first enabled app on the Task Manager tab and click Disable.
  6. Finally, follow step 6 to disable all enabled applications one after the other.
  7. After disabling the apps, close Task Manager.
  8. Restart your PC.

Run the Windows Update Troubleshooter

The Windows Update troubleshooter tool helps to fix problems with Windows Update. It can scan for and fix common problems like missing or corrupted files, incorrect settings, and network connection issues. Use the following steps to complete troubleshooting:

  1. Firstly, open the computer’s Settings by pressing the Windows key + I together.
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  2. Then, click on System on the left pane.
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  3. After that, click on Troubleshoot and select Other troubleshooters.
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  4. When you see the list, select Windows Update from the available options and click the Run button.
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  5. Finally, allow the Windows Update troubleshooter to run for a while to scan and detect the issues in your computer.
  6. Finally, select the appropriate response when prompted.

Disable Secure Boot

Disabling Secure Boot can help to fix the error 0xC1900101 0x20017 in some cases. This is because Secure Boot can sometimes prevent some drivers from loading, which can cause this error. Use the following steps to disable Secure Boot:

  1. Turn on your system and press the appropriate key to access BIOS SETUP. Depending on the manufacturer, this step usually involves pressing DEL, F1, F2, or F10.
  2. Find and deactivate the Secure Boot option under the Security or Boot Options settings. Note that the location of this setting may vary depending on the device’s manufacturer.
  3. Save your settings and exit BIOS Setup.

Disable the Intel Virtualization Technology.

Sometimes, the error code 0XC1900101 – 0x20017 may occur during Windows updates if Intel Virtual Technology is enabled. Disable Intel_VT technology in the BIOS settings to resolve the issue. To do that:

  1. Access BIOS settings and navigate to Advanced settings -> Chipset. 
  2. Disable the Intel VT-d features. 
  3. Finally, save changes and exit BIOS settings before installing updates.

Reset the Windows Update component

Resetting the Windows Update component will reset all Windows Update settings and components to their default state, which can sometimes fix problems caused by corrupted or missing files or incorrect settings. To reset the Windows Update component, follow these steps:

  1. Press the Windows and S keys simultaneously and enter command prompt in the text field.
  2. Then, select Run as administrator on the right side to open the Command prompt as an admin.
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  3. When prompted, Click on Yes on the User Account Control prompt.
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  4. When the Command Prompt opens, enter the following commands and hit Enter after each key to disable some update services:
    net stop cryptsvc
    net stop bits
    net stop wuauserv

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  5. After that, enter this rename command for the SoftwareDistribution folder and press Enter:
    Ren %systemroot%\SoftwareDistribution SoftwareDistribution.old
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  6. Then, modify the catroot2 folder using the command below and hit Enter:
    Ren %systemroot%\System32\catroot2 catroot2.old
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  7. Then, enter these command codes for restarting services and hit Enter after each:
    net start cryptsvc
    net start bits
    net start wuauserv

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  8. Finally, restart your computer.

Install Windows Update in Safe Mode

Installing Windows Update in Safe Mode can help to fix error 0xC1900101 0x20017 by temporarily deactivating any third-party software or services that may be causing the error. This process can also help detect and fix any corrupted system files that may prevent the update from being installed successfully.

To install Windows Update in Safe Mode, follow these steps:

  1. Click the Power icon on the login screen, hold Shift, and select Restart.
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  2. Choose Troubleshoot from the menu options.
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  3. Select Advanced options.
  4. Afterward, click Advanced options to access other options. Now click Startup Settings.
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  5. After that, click Restart.
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  6. Press 5 on your keyboard to start Enable Safe Mode with Networking.
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  7. Once Windows starts in Safe Mode, open Settings, open Updates & Security, and click Update now.

Restart Windows Update Services

Restarting the Windows Update services can repair the Windows Install Error 0xC1900101 0x20017 by refreshing the services and clearing temporary errors that may have happened. To restart the Windows Update services, you can follow these steps:

  1. Press the WindowsR simultaneously to launch the Run dialog, type services.msc, and hit Enter.
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  2. When the Services window opens, right-click Background Intelligent Transfer Service, click Restart, or select Start if the Restart option is greyed out.
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  3. Find the Windows Update, Windows Installer, and Cryptographic Services options and repeat step 2 for all of them.
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To conclude, encountering the 0xC1900101 0x20017 error while installing Windows can be bothersome. However, you can overcome it by using several methods to tackle this error, including updating drivers, removing incompatible software, ensuring hardware compatibility, and using troubleshooting tools.

Following these solutions can significantly improve your chances of a successful Windows installation without encountering the error. Remember, persistence and patience are key, and don’t hesitate to seek help from Microsoft support or online communities if you need further assistance.

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Richard Omachona
Richard is a techie in providing fixes and solutions for computer issues of various kinds. Among his contemporaries, he is a preferred choice. His experiences are vast in Windows operating systems, and several other skills in programming such as Python, Web Frontend designing implementing at industry standards, best practices in HTML, CSS and JavaScript. and basics in Web Backend. He also loves traveling, gaming and music.