If you get Windows cannot install required files message with error code 0x80070001 while installing Windows 11/10 on your computer, you can follow these tips to troubleshoot the issue. We have discussed almost all the possible causes and solutions in this article so that you can get rid of the problem. The entire error message looks something like this:

Windows cannot install required files. Make sure all files required for the installation are available, and restart the installation. Error code: 0x80070001

The main reason why your computer displays such a message is file corruption. If the bootable USB drive or DVD is corrupted, you can encounter this issue while doing a fresh installation of Windows OS.

Windows cannot install required files, 0x80070001

To fix Windows cannot install required files error, follow these steps:

1. Remove external devices
2. Re-create bootable installation media
3. Assign less disk space for the C drive
4. Change setting in Registry
5. Reset BIOS

To learn more about these solutions, continue reading.

1] Remove external devices

If you have connected any additional external devices such as an external hard drive, Bluetooth devices, printers, scanners, etc., it would be better to unplug them. At times, those devices might create conflicts and interrupt your installation. As a result, you can find the aforementioned error with various error codes. That is why it is recommended to remove all the external devices before restarting the installation process.

2] Re-create bootable installation media

As mentioned earlier, a corrupted ISO causes this issue in most cases. If you have faced this problem while installing Windows OS, it is time to re-create the bootable installation media. However, if you have already formatted your computer, you won’t be able to use the same to create the installation media. In that case, you need to use another computer.

To create Windows 11 bootable installation media, you can follow this step-by-step guide. For your information, you must re-download Windows 11 ISO as well.

3] Assign less disk space for the C drive

Many times, your computer might not process the entire disk space as the system drive if you have old hardware. That is the reason why we are asking you to assign less disk space for the C drive or system drive. For that, you must delete all the partitions and re-create the C drive.

4] Change setting in Registry

In case you are trying to install the same version of OS on your computer, there is a chance of getting this error because of some old Registry files. That is why you can verify them using these steps:

Press Shift+F10 to open the Command Prompt.

Type regedit and hit the Enter button.

Navigate to this path:

HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsWindowsUpdate

Find WUServer and WIStatusServer.

Right-click on each of them and choose the Delete option.

Then, close all windows and restart the installation.

5] Reset BIOS

Changing the wrong settings in the BIOS could also cause this problem on your computer. That is why you can try resetting it to get rid of the problem. If you don’t know the process, you can follow this guide to reset BIOS settings to factory defaults.

Read: Windows cannot install required files, Error Code 0x8007025D.

What is error code 0x8007001?

You can find two error messages with the same error code. If it says Windows cannot install required files, you need to follow the aforementioned solutions. However, if it says Installation disk is not working properly or something else, you need to check your hard drive and re-create the bootable installation media.

How do I fix Windows unable to install?

There are a lot of things you can do to fix this problem on your computer. For that, you can delete the temporary files, disable firewall software, check Windows Update Services status, clear BITS queue, run Windows Module Installer, etc. However, the solutions are slightly different for different situations. That is why you can follow this guide if  Windows Update fails to install.

That’s all! Hope this guide helped