Fix: 0XC1900101 – 0x20017 Windows 10 Upgrade Error

Imagine you’re waiting to get over your Windows update so that you can sit for your presentation. The update has almost reached its final point when suddenly you get an error message, ‘Windows 10 couldn’t be installed 0XC1900101 – 0x20017’.

It is pretty annoying. But do not worry; we have a complete guide to help you know about Windows 10 error 0xc1900101 – 0x20017 and ways to fix it.

What Is Windows 10 Error 0xc1900101-20017?

The error 0xc1900101 – 0x20017 is mainly an issue with the device drivers. This error may occur while updating Windows to its latest version. When the installation process remains incomplete, this message pops up. One “unique” feature of the windows 10 update error c1900101-20017 occurs when the installation process reaches 99%. Though it is not a crucial issue, many customers have talked about facing this issue.

Ways To Resolve 0xc1900101 – 0x20017

If you are also one of those who face this same update error 0xc1900101 – 0x20017, here are some methods to help you resolve it.

Removing Virus Protection Applications

Sometimes anti-virus applications might cause the error 0xc1900101-0x20017 as they tend to interrupt the installation process. Consider reinstalling them till your newest version of Windows is installed

• Go to the Control Panel.
• Next select Program, then uninstall a program

  

• Now select the application to be deleted
• Uninstall by right-clicking on it
• Some guidelines will appear. Follow them
• Restart your computer/laptop and try installing Windows.

Remove RAM

0xc1900101 0x20017 might be caused due to the presence of extra RAM. So, removing one RAM might be helpful.

Retry installing Windows to see if the error occurs again. This is a straightforward process and should resolve the issue.

Make Sure Disk Space Is Available

If your computer/laptop does not have sufficient disk storage, then you might face this error. Some criteria are:

• Make sure approx. 20GB free space is available if you are installing the Windows32-bit version
• Make sure approx. 32GB free space is open if you are installing Windows 64-bit version

  

In case the criteria don’t match your PC, try performing a Disk Cleanup:

• In the search button present in Taskbar, search for Disk Cleanup
• Choose the drive that is being used for installing Windows
• Choose the fields that need to be removed and select Clean up system files

  

This step might help in resolving 0xc1900101 – 0x20017

Uninstalling The Broadcom Bluetooth

Windows 10 generally doesn’t support the Broadcom drivers. If you use one of those, then consider removing them before installing the newest version of Windows. Follow these steps:

• Go to Device Manager
• Locate driver named “Bluetooth.”

  

• Right-click on that driver and select uninstall the device

Disabling Wireless From BIOS

If the above method didn’t work for you, try disabling wireless from BIOS. Let’s take a look at the steps:

• Restart your computer/laptop.
• While the boot sequence is going on, continue to press F2 or Del button to enter into BIOS
• When you enter BIOS, locate Advanced Tab.
• Choose the wireless option. 
• In the next step, two choices will be available: Internal Bluetooth and Internal WLAN.

  

• Press enter and choose Disable from the number of options that appear
• To exit BIOS, press Esc. Make sure to save the changes you have made.

Note that this step might slightly differ depending on the version of BIOS that you are using.

See Also: How To Resolve Can’t Create A HomeGroup On Windows 10

Creating a Windows Restore Point

• Press Windows + R keys together
• A dialog box appears. Type: SystemPropertiesProtection.exe
• Click on Create and write the name of the restore point

  

• Confirm the process by pressing OK.

See also: How to Reinstall Windows 10 Without Losing Data

Updating The BIOS

When the BIOS is not updated to its latest version, this error might occur. In that case, updating the BIOS might be helpful. Make you download the BIOS that is compatible with your motherboard.

Note that this method is a little bit risky to do on your own. It will be better to use the other methods first and then choose this if nothing else helps.

Changing Your Registry

The 0xc1900101-0x20017 error might occur due to the registry. Changing the registry might be a help in this case.

• Press Windows + R key. A dialog box appears.
• In some cases, changing the registry can be risky, so make sure to export it. Click on File and then export.
• Under export range, select all and enter the File. Store the File and save.
• This will make it for you to go back to the initial state of the registry in case trouble occurs.
• In the next step, go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost\Applicability.

  

• Here, it would help if you changed some values:

Ring = WIF

RingBackup = WIS or Enabled

EnablePreviewBuilds = 2

BranchName = TH1

UserPreferredBranchName = TH1

• Next, close the registry window and restart your PC

See also: {Solved} 7 Ways to Fix Windows Update Not Working

FAQs

What does error code 0xc1900101 mean?

The 0xc1900101 error means that the system files are either corrupted or broken. This error code alerts you to revert your PC to a more stable stage before the updates are done.

Why does my Windows 10 installation fail?

A file might have an improper extension, and changing it might resolve the problem. Problems with Boot Manager might also be one of the causes. Try booting in clean boot and running the Installation.

Conclusion

The methods mentioned in this article will be an effective way to solve the error 0xc1900101 – 0x20017. Next time you see ‘Windows 10 couldn’t be installed c1900101-20017’, we hope this article will help you resolve the issue.

Garvit Sinha

Gravit Sinha is the founder of ValidEdge. Ever since he was a kid, he has been a problem fixer and that passion is what inspired him to start and grow this website! 🙂