Here is a complete guide on how you can fix error code 0xc1900101 on Windows 11 installation wizard. Microsoft has launched the Windows 11 installation wizard which makes it easy for users to switch to the new operating system ie Windows 11. Although it is an easy way to install Windows 11 on your system, some users also encountered errors while using them. One of these errors is error code 0xc1900101 which prevents you from installing Windows 11 on your PC. If you are one of those people who encounter the same error code while using Windows 11 Setup Assistant, this article is your stop. In this guide, we are going to show you some methods that will help you to fix the error. Let us check it out.
What are the causes of error 0xc1900101 on Windows 11 installation wizard?
An error that begins with 0xC1900101 is usually a driver error. Similar error codes you may see are:
- 0xC1900101 – 0x2000c
- 0xC1900101 – 0x20017
- 0xC1900101 – 0x30018
- 0xC1900101 – 0x3000D
- 0xC1900101 – 0x4000D
- 0xC1900101 – 0x40017
Other reasons for this error code to appear could be:
- If you have third-party antivirus installed on your PC, it may hinder the Windows 11 upgrade process. If the scenario applies, disable or uninstall your third-party antivirus suite.
- If you are running out of disk space and do not have enough space to upgrade Windows, it can lead to error code 0xc1900101.
- Another cause of this error can be outdated drivers.
- This error code can be triggered due to an outdated BIOS. As we all know, the new Windows 11 operating system has certain installation requirements that must be met. So you will need to update the BIOS at the latest to resolve the problem.
- Some other reasons for this error could be software conflicts or additional hardware connected to your PC.
In all scenarios, you should be able to fix the error by following the methods below.
Fix error code 0xc1900101 on Windows 11 installation wizard
Here are the methods to fix error code 0xc1900101 when using Windows 11 setup wizard:
- Update your third-party drivers.
- Disable third-party antivirus.
- Make sure there is enough storage space on your PC.
- Unplug the additional hardware.
- Correct hard drive errors using the CHKDSK command.
- Restore and repair system files through DISM scan.
- Troubleshooting in a clean boot state.
- Update the BIOS.
- Clean install of Windows 11.
- Upgrade to Windows 11 using Microsoft’s Windows 11 disc image (ISO) file.
1]Update your third-party drivers
Outdated and faulty third-party drivers can cause this error during the upgrade process. So, before installing Windows 11 through the installation wizard, make sure all your drivers are up to date. You can manually check for available driver updates by going to Settings> Windows Update> Advanced options> Optional updates. If any updates are available for your drivers, download and install them.
You can also go to the official website of your device manufacturer and find the latest drivers. Apart from this, there are free third-party driver updates that help you install the latest drivers on your system automatically.
After updating your drivers, relaunch the Windows 11 installation wizard and check if the error is fixed.
Related: Installation failed in SAFE_OS phase during INSTALL_UPDATES, 0x800F081F – 0x20003
2]Disable third-party antivirus
If a third-party antivirus is installed on your PC, the first thing to do to correct this error is to disable it. Overprotective antiviruses are known to cause problems during the upgrade and update process. So, turn off the antivirus you are using and then check if the problem is resolved.
If disabling doesn’t help, you may need to completely uninstall the third-party security suite from your PC. You uninstall the antivirus program through the Settings app. Another option is to uninstall it using a free third-party uninstaller.
Now continue to install Windows 11 using Windows 11 installation wizard and see if the error is resolved now. If that doesn’t fix the issue, you can move on to the next potential solution to fix it.
3]Make sure there is enough storage space on your PC
Insufficient disk space can cause this upgrade error when using the Windows 11 installation wizard. As it will download Windows 11 to your system drive and to the same partition, you must have enough storage space to install the new operating system. And, if you are running out of disk space, it can lead to error code 0xc1900101. Therefore, make sure that you have sufficient disk space to install Windows 11 through the Windows 11 installation wizard. 100 GB free disk space is recommended to avoid this error.
To free up disk space, you can use the built-in Windows Disk Cleanup utility. You can also clean up or free up disk space using other free software. Apart from that, you can try to remove duplicate files from your system to free up space.
Read: Fix Windows Upgrade Assistant error 0xC1900200
4] Unplug additional hardware
Before upgrading, it is recommended that you unplug all flash drives, docking stations, and other connected hardware that are not needed at this time. After unplugging the devices, check if the error is corrected.
5]Correct hard disk errors using CHKDSK command
Hard drive errors can also cause error code 0xc1900101 when using Windows 11 installation wizard. So, try to fix the drive error and then check if the problem is resolved. You can run the built-in Windows disk repair tool called CHKDSK. Open Command Prompt as administrator and then enter chkdsk / f C: command to check and correct errors on the system drive (C). After the command is executed, restart your device and then continue with the upgrade process using the Windows 11 installation wizard.
6]Restore and repair system files via DISM scan
If there is any corruption in your system that is causing this error, you should be able to fix it by running a DISM or Deployment Image Servicing and Management scan. To perform a DISM scan, open the command prompt as administrator, then enter the command below:
Dism /Online /Cleanup-Image /RestoreHealth
After the scan is complete, restart the Windows 11 installation wizard and then check if the error is resolved now.
7]Troubleshooting in a clean boot state
If the error is still not fixed even after trying the above methods, you can try performing a clean boot in Windows to resolve the error. The error may be due to some software conflicts and a clean restart will eliminate this possibility. So, start Windows in a clean boot state and then check if the error is resolved.
If the above solutions don’t work, you can try updating the BIOS to resolve the error. This error can be the result of outdated BIOS firmware and we know the minimum installation requirements for Windows 11. If your BIOS firmware is outdated, it can cause errors during the upgrade process. So if this is indeed the main culprit, you should be able to fix it by updating the BIOS. This guide to updating the BIOS will help you do so. See if that fixes the error for you. Otherwise, proceed to the following potential fixes.
Related: Error 0x800f0830-0x20003, the installation failed in the SAFE_OS phase with an error during the INSTALL_UPDATES operation
9]Clean installation of Windows 11
If you still receive the same error on the Windows 11 installation wizard, the last resort to correct the error is to clean up the Windows 11 installation. Microsoft has made installing Windows 11 easier with several methods. If the Windows 11 installation wizard does not work for you, you can opt for another method of upgrading to Windows 11 and perform a clean install from USB.
10]Upgrade to Windows 11 Using Microsoft Windows 11 Disk Image (ISO) File
You can also try to upgrade from Windows 10 to Windows 11 using Microsoft’s Windows 11 disk image (ISO) file. Simply download the ISO file and then use it to upgrade to Windows 11.
Read: Fix Windows Update Error 0x800f0247 on Windows 11/10
How to fix error 0xC1900101?
To fix error code 0xC1900101 while installing updates on Windows, you need to make sure that you have enough space on your PC to install the updates. Apart from that, you can run Windows Update troubleshooter, unplug additional or additional hardware, update third-party drivers, check Device Manager for errors, disable third-party security software, repair hard drive errors or restore and repair Windows Update files. You can check out this guide to fix Windows update error 0xC1900101.
What is error 0x8024000B?
Error code 0x8024000B is a Windows Update error code encountered while attempting to install updates. This error is basically triggered when Windows fails to retrieve the update manifest file required for installing updates. To correct this error code, you can run the Cleanup Superseded Updates PowerShell script (decline), run the Windows Update Troubleshooter, or rename the Spupdsvc.exe file. You can find the detailed message to fix Windows update error 0x8024000B.
How to fix error code 0x80070002?
The error code 0x80070002 is a Windows update error code. This could be due to corrupt registry files, a blockage by a third-party antivirus, or a date and time out of sync. You can correct this error by running the Windows Update Troubleshooter, running an SFC scan command, or resetting Windows Update components. To discover more fixes, follow this guide to fix Windows Update error code 0x80070002.
Now read: Error 0x8007007f while using Windows 11 installation wizard.