0xC1900101 errors are actually documented common problems during an installation of Windows 10, and they’re not bugs in the OS. Instead, they usually indicate a device driver error, which can have a number of solutions. In this guide, you’ll learn a number of ways to troubleshoot and fix 0xC1900101 errors as you try to install a new version of Windows 10 on your device.

How to fix Windows 10 0xC1900101 errors

When you receive an error that begins with “0xC1900101” typically is a device driver related problem, which can be caused by a number of other issues, including not enough storage space, incompatible driver, security software, connected peripherals, system files corruption, and more. If you see any of these errors (0xC1900101 – 0x20004, 0xC1900101 – 0x2000c, 0xC1900101 – 0x20017, 0xC1900101 – 0x30018, 0xC1900101 – 0x3000D, 0xC1900101 – 0x4000D, 0xC1900101 – 0x40017), you can try using these solutions.

Confirm you have enough storage space

An upgrade requires at least 16GB of free space to install the 32-bit version of Windows 10, or 20GB for a 64-bit version. You can refer to this guide to free up drive space on your computer.  Alternatively, it’s also possible to connect an external USB drive with the required available space that Windows 10 can use during the installation.

Resolve Windows Update problems

It may also be possible that you’re getting one of the 0xC1900101 errors because of a problem with Windows Update. If Windows Update isn’t working correctly, you can try to fix it using these instructions.

Use Device Manager to check errors and install updates

You should also check the Device Manager to verify if any of the devices configured on Windows 10 has problems. Once you completed the steps, you can try to upgrade one more time, and this time you should not see any errors. Device Manager on Windows 10 If you’re seeing the error message upgrading to Windows 10, and using Device Manager, you’re unable to update the device with driver problem, then you’ll need to check your manufacturer’s support website to find the latest third-party driver and the instructions to install it on your computer. After you’ve updated the device, you can try to upgrade again.

Disconnect peripherals  

Sometimes installation problems can be caused by a peripheral that isn’t compatible with a new version of Windows 10. You can quickly avoid any issues disconnecting all unnecessary peripherals, like printers, webcams, especially storage media (e.g., USB flash drive and external hard drive) connected to your computer — just use the essentials: network adapter to connect to the internet, monitor, keyboard and mouse. Also, it’s a good idea to disable Bluetooth on your computer before upgrading on Settings > Devices > Bluetooth & other devices.

Uninstall security software

Other times security software could be the reason your computer is failing to install an upgrade with an 0xC1900101 error. If you’re running an antivirus (other than Windows Defender Antivirus), or other security software, make sure to disable or temporarily uninstall the software before proceeding with the upgrade. On Windows 10, you can uninstall applications in at least two different ways. Using Control Panel and the Settings app.

Uninstalling apps using Settings

To uninstall the problematic application using the Settings app, do the following:

Uninstalling apps using Control Panel

To uninstall an incompatible application using Control Panel, do the following: Uninstall apps using Settings

Repair system files

You may also see an 0xC1900101 error on Windows 10 if there are missing or corrupted system files. You can quickly resolve this issue using the DISM command line tool built into the OS. Uninstall apps using Control Panel

Repair hard drive errors

If there are errors in the system drive, you may not be able to upgrade to a new version of Windows 10. You can use the chkdsk command line tool built into the OS to troubleshoot and fix the issue. DISM restorehealth command Once you’ve completed the steps, the tool will repair the drive automatically, and you’ll be asked to restart your computer to finish applying the changes. After the reboot, you can try to upgrade one more time, and now the installation should not give you an 0xC1900101 error message. Chkdsk command

Perform a clean boot into Windows 10

Applications, such as an antivirus, system utility, and other software installed on your device may contain processes that can cause conflicts that can result on 0xC1900101 errors. A clean boot is a way to start your device using a minimal set of drivers and startup apps, which can help you get through the installation process of a new version of Windows 10. You can learn the steps to do a clean restart on Windows 10 using these instructions.

Do a clean installation of Windows 10

If you’ve tried everything and nothing seems to be working, as the last resource, you can try to upgrade to the latest version of Windows 10 doing a clean installation. You can learn the steps to perform a clean install of Windows 10 in this guide. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.