[Solved]Windows Installation Error 0xC1900101 – 0x20017

For some, the problem 0xC1900101–0x20017 shows up on their computers when they try to upgrade Windows to a newer version. These people may get a warning message like this when this takes place. "C1900101 to 0x20017"There was a problem during BOOT, so the installation failed in the SAFE_OS step.

Way 1. Try Some Basic Tricks

First, you can try some basic tricks to fix the Windows installation error 0xC1900101 – 0x20017. Some people fix the error with these basic tricks. You can also have a try.If you don’t have enough storage space, you can use a third-party app to help you get more available storage space. To do that, AOMEI Partition Assistant Professional is a good choice. It is a professional and functional partition software that can help you resize partitions, delete unnecessary files, partition hard drive, convert MBR to GPT, do data recovery, and so on.

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Way 2. Turn off the Bluetooth and Wi-Fi in the BIOS

Some people say that turning off Bluetooth and wireless from the BIOS helps them fix the Windows upgrading problem 0xC1900101 to 0x20017. You could also try. Just restart and go to the BIOS menu. From there, go to the Advanced tab, find the wifi section, and turn off your wifi from there. After that, save the changes and turn your PC back on to see if the problem is fixed.

Way 3. Turn off Secure Boot

Some people are able to fix the error 0xC1900101–0x20017 by turning off Secure Boot. If you'd like to give it a try too, you can do the following:

Start up again and go to the BIOS menu. Find the Secure Boot setting in the Security or Boot Options menu and turn it off. The installation failed in the SAFE_OS phase with an error during BOOT process. Save the changes and restart your PC to see if the error message is gone.

Way 4. Run CHKDSK

Disk errors can also cause the error 0xC1900101 – 0x20017. In this situation, you can try running CHKDSK to scan and fix errors. Here are the detailed steps:

Run Command Prompt as administrator.

Type “chkdsk C: /f /r” and press Enter.

Type “y” to confirm to run the check disk utility on the next start.

Restart your PC to perform the error checking.

Way 5. Run the Windows Update Troubleshooter

Windows update troubleshooter is a built-in tool on Windows that can fix many update-related errors. So, you can try running the Windows update troubleshooter to fix the Windows upgrading error 0xC1900101 – 0x20017. Here’s the way:

Press the Windows and I keys simultaneously to open the Settings window.

Navigate to Update & Security > Troubleshoot.

Click the Additional troubleshooters link.

Choose Windows Update and click Run the troubleshooter.

Follow the on-screen instructions to complete the process.

Way 6. Get rid of the SoftwareDistribution folder

This is where Windows update files are always kept: "C:WindowsSoftwareDistribution." But it's easy to mess up this folder. The damaged folder is likely the cause of the error 0xC1900101–0x20017. To fix the error, you need to rebuild the folder.

Way 7. Turn off the technology for Intel virtualization

The problem 0xC1900101–0x20017 can happen when Intel Virtualization Technology is turned on. If that doesn't work, you can try turning off the Intel Virtualization Technology. How to do it: Go to the BIOS settings. In Advanced settings > Chipset, turn off the Intel VT-d features. End and save your changes in the BIOS. Put the update on your computer.

Way 8. Changing Your Registry

If none of the above methods can fix the Windows upgrading error 0xC1900101 – 0x20017, you can try modifying certain key values under the registry to fix the error. To do that, please follow the guide:

Step 1. Press the Windows and R keys simultaneously to open the Run window.

Step 2. Type “regedit” and press Enter.

Step 3. Click Yes in the UAC window.

Step 4. Before making any changes to the registry, you need to export your registry. To do that, you need to do as follows:

1. In the Registry window, go to File and then select Export.
2. Select All and then enter the file name.
3. Choose a location and click on Save.
4. Once done, you can back up your Registry successfully.

Step 5. Navigate to this path “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost\Applicability”.

Step 6. Then change the following key values to:

• Ring = WIF
• RingBackup = WIS or Enabled
• EnablePreviewBuilds = 2
• BranchName = TH1
• UserPreferredBranchName = TH1

Step 7. After that, restart your PC to apply all the changes.