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How to Fix 0xC1900101 Error When Installing Windows 10

Updating the Windows operating system is one of the most used hacks to fix various errors on Windows 10. However, what if you face an error while installing the latest version of Windows itself. Yes, some issues can cause operating system installation failure. 0xc1900101 error in Windows 10 is one such glitch.

Many users of Windows 10 1903 and 1809 versions have faced this issue. If you are also one of them, then don’t panic. It is not that difficult to resolve the Windows 10 1903 0xc1900101 error, or we can also say Windows 0xc1900101 1809 version update error. We have brought some fixes you can rely on. So, without any augmentation, let’s check the solutions.

Solutions to Fix 0xc1900101 Error in Windows 10

Here are some of the reliable solutions that you can try to resolve 0xc1900101 error in Windows 10. These are quite general fixes, so you can use them to resolve other variations of Windows 10 0xc1900101 issue as well.

Remove The Extra RAM

If you have installed an extra RAM on your computer, then we advise you to remove it. Sometimes, the additional RAM can cause the 0xc1900101 issue while updating the Windows. Hence, try installing the update after removing the extra RAM.

Just like RAM, try to update Windows after ejecting the network card as well. This trick has also worked for various users.

Use System File Checker and DISM Commands

Along with the foul drivers, wrong system files are also a reason for many PC issues. Hence, we recommend you to repair your system files to resolve the Windows Update 0xc1900101 problem. You can use the below-mentioned instructions to do so.

Step 1: Go to the Windows search box and type ‘Command Prompt’.

Command Prompt

Step 2: Make the Command Prompt run as administrator.

Step 3: Provide ‘sfc /scannow’ command and hit the Enter key.

sfc scannow command in CMD
Image Source: Whatsabyte

Step 4: Be patient for a couple of minutes.

Step 5: Provide ‘DISM.exe /Online /Cleanup-image /Scanhealth’ command and select the Enter key on your keyboard.

Step 6: Now, provide ‘DISM.exe /Online /Cleanup-image /Restorehealth’ command and select the Enter key again.

Step 7: After the cleanup gets complete, reboot the computer and try installing the latest version of the operating system. Check if it still shows the 0xc1900101 error in Windows 10.

Disable Third-Party Anti-virus

You might know that the Anti-virus programs interfere with your system setting and other installed programs to provide comprehensive protection. That’s the reason why some third-party anti-malware tools can cause Windows installation failure. But, if this is the issue, then you can resolve it quite easily.

First of all, you have to disable that anti-malware program. After that, restart the Windows operating system and try updating the Windows. If the issue has got resolved now, then we suggest you report this issue with the program manufacturer. If they cannot do anything with this, then we recommend switching to any better antivirus alternative. 

If you are looking for a better alternative to your existing anti-malware, then ITL Total Security is a good option to try. It is quite an intelligent system security program. Hence, it can provide your system a comprehensive protection against malware threats without even causing an error like this. Here is the download link to get this program.


Try Updating BIOS

If you don’t have any idea about BIOS, then don’t worry. Most of the people do not know about it. The term BIOS is an acronym for Basic Input/Output System. It is a firmware, that helps your system to boot and perform a hardware initialization. Any issue with your PCs BIOS can also result in the ‘Windows failed to install 0xc1900101 error’. But do not panic, you can fix it quite easily by using some reliable software to update BIOS on Windows 10.

At the same time, if you are a computer expert, then you can also try repairing it manually. You can directly download the latest version of BIOS from the PC manufacturer’s software support page and install it on your computer. Here are the steps that you require to follow for repairing and upgrading your PC’s BIOS.

Step 1: Use Windows Key and R to open the Run utility.

Step 2: Copy and paste ‘msinfo32’ and then choose OK.


Step 3: Check and note your BIOS Version/Date.

BIOS Version & Date

Step 4: After this, go to the software and driver support of your PC manufacturer.

Step 5: Look for an appropriate BIOS update and download it on your PC.

Step 6: Appropriately install the update.

Step 7: Then, after repairing the BIOS, restart the Windows PC.

Step 8: Check if BIOS repair has resolved the issue by updating the Windows.

However, we would like to advise you that you should have a backup of your important data before following the above method.

Remove Unnecessary External Devices

External Devices can also cause several problems on Windows PC. One such issue is the 0xc1900101 error in Windows 10. So, you can try removing the unnecessary external devices from your PC. Kindly leave the keyboard and mouse as they are quite important for a computer.

Now, go to the Windows Settings and try installing the latest update for your Windows operating system. After updating the Windows, you can connect the removed devices back to your PC and use them again.

Clean Boot

Just like unnecessary devices, you should also try removing the unnecessary drivers and then clean boot the PC to resolve the failure to install the Windows update issue. Here is how you can try this method.

Step 1: Use Windows Key and R to open the Run utility.

Step 2: Copy and paste ‘msconfig’ and then choose OK.

open msconfig from run command

Step 3: Select Services.

Step 4: Mark Hide all Microsoft services.

Step 5: Choose Disable all.

Step 6: Then select Startup.

Step 7: Click on Open Task Manager.

Step 8: Select the programs and utilities, that are not unnecessary and unwanted.

Step 9: Now choose Disable.

Step 10: Shut the Task Manager.

Step 11: In System Configuration select Apply and then OK.

Step 12: Reboot the system.

Step 13: Try to update the Windows operating system and check if the problem of update failure still prevails or got resolved.

Fix Faulty Drivers

The Window installation error that we are talking about is directly related to the faulty and corrupted drivers. Hence, to fix this problem, the most important step that we suggest is to fix your drivers. Now the people who do not know much about device drivers got worried about how to repair them. Don’t worry. As along with the solutions, we have also brought a tool that can make the driver repairing process quite easy and effortless, or we can say a piece of cake. And the tool is ITL Driver Updater.

With ITL Driver Updater, you do not need to uninstall/reinstall or update your device driver manually to fix them. The software provides a one-click repair to your device drivers. It heals them with the WHQL certified updates. Here is the download option to get ITL Driver Updater.


Once you finish the download, here are the instructions to guide you for an effortless driver update.

ITL Driver Updater - Best Free Driver Updater

1. Install the file that you have downloaded.

2. Run it on your PC.

3. Check for the Scan option and select it.

4. Be patient and wait for a couple of minutes.

5. Fix all your device driver by selecting Update All option.

Once the driver updates, or we can say driver repair gets over, reboot the operating system. After rebooting, try updating the Windows again to check if the error has gone or not.

Now, Easily Fix 0xC1900101 Error When Installing

We hope that you have fixed the 0xc1900101 error in Windows 10 by using any of the above-provided methods. Along with the 0xc1900101 error, you can resolve various other PC issues as well with these solutions. Updating device drivers, using system file checker, clean boot, and some other features that we have mentioned above can resolve n number of problems on your PC.

However, if we have missed some important information in this write-up, then please let us know. We’ll be glad to hear suggestions from you. Furthermore, for fixes of more errors, subscribe to the Innovana blog.

Aman is a writer with keen observational and learning skills. Despite being a technical writer he doesn't have any technical background. His interest in new technology helps him to write exceptional technology-related articles. Apart from writing, he likes to play chess.

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