How To Fix Windows 11: Error Code 0xC1900101 Upgrading To Windows 11

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Windows 11 has been out for a while now, and plenty of people are taking the opportunity to try and upgrade from Windows 10. Unfortunately, in some cases, users are confronted with errors. Which is less desirable than a smooth, error-free installation process. One such error is Windows 11 Error Code 0xC1900101. We've put together some tips to help you overcome this problem, should it arise during your attempts to upgrade to Windows 11.

How To Fix Windows 11: Error Code 0xC1900101

There are several different errors that can appear with error code 0xC1900101 as a prefix:

  • 0xC1900101 - 0x2000c
  • 0xC1900101 - 0x20017
  • Error code 0xC1900101 - 0x30017
  • 0xC1900101 - 0x30018
  • 0xC1900101 - 0x3000D
  • Error code 0xC1900101 - 0x4000D
  • And finally, error code 0xC1900101 - 0x40017
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So if you receive any of these codes, then the advice we are offering will be generally applicable. There are plenty of tips to consider, so without further ado, let's get into it.

Read More: Should I Upgrade To Windows 11?

Start With The Basics

We'll mention the easiest and simplest steps to take first, because it makes sense. And if you're lucky, you won't need to do anything more complex.

Start by disconnecting any peripheral devices from your computer. This includes things like printers, cameras, USB devices, and Bluetooth devices. Disconnecting them does appear to reduce the chances of getting this error code.

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Disable any third-party antivirus software you may have installed.

Next, make sure you have updated all your drivers. To update your device drivers, go to Settings > Update and Security > Windows Update > View Optional Updates. From here, click on Driver Updates, select the driver you wish to update, and click on Download and Install.

Finally, in terms of 'simple' fixes, make sure you have left enough space on your hard drive for the install. In order to upgrade to Windows 11, Microsoft says you need a minimum of 64GB of available storage.

More Complex Remedies

There are a few other, more involved steps that you can try as well, should the first set of solutions prove to be unsuccessful.

Start by trying to repair your hard drive, using the CHKDSK tool as follows:

  • Close all running apps.
  • Open the Command Prompt, right-click on the first result, and select Run as administrator.
  • Type chkdsk/f c: and press enter.
  • Type Y then press enter.
  • Restart your computer.
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You can also try performing a clean boot in Windows. If there are any issues being caused by software conflicts, a clean boot can help to resolve them.

This error can also be caused by outdated BIOS firmware, so it's worth trying to update it. In most cases, you will need to visit the manufacturer's website to download the BIOS update. It's also important to make sure you have a backup power supply. If your computer switches off during a BIOS update, it can become corrupted.

Last, but by no means least, is a clean install using a USB.

Read More: Windows 11 VBS: How To Turn Off VBS In Windows 11

What Is Error Code 0xC1900101?

In simple terms, Windows 11 Error Code 0xC1900101 arises when there are problems upgrading from Windows 10. As the steps we've outlined above, there are multiple different potential causes for it. Which can make it trickier to pin down exactly what's behind the error.

So work your way through the steps we've suggested. And make sure your PC meets the minimum requirements for Windows 11. If it doesn't, and you upgrade anyway, you are going to cause yourself even more issues.