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One of the problems reported by some users about Microsoft Answers & Reddit is that it stopped on a Modern Setup Host Error when upgrading to Windows 10, using the Windows 10 Media Creation Tool. Although Microsoft did not respond with a correct correction, Answers & Reddit’s analysis raised some ideas that might work. See if any of them work for you.
Modern Setup Host no longer works
.exe. It is required when you run Setup to upgrade your PC to Windows 10. If it fails for any reason, you will see this error and the upgrade process will fail.
(1), turn it off. Disconnect all unnecessary external devices connected to your computer. Some report that a small amount of disk space can cause this problem. So make sure you have enough storage space of at least 20 GB. After doing this, go through the list and see what best suits your system.
1] Perform a clean boot and check if you can now perform the installation.
(2) Others said that the language change helped. Change the language to English (USA) and set an appropriate Windows display language, including Local System to English (USA). Let’s see if it works for you.
3] In the WinX menu , select Run. Enter the following path and press Enter :
Now select all contents and delete everything in this folder.
Then click Command Prompt (Admin) in the WiX menu, type the following command and press Enter :
Restart your computer and restart the upgrade process.
(4) Ben Wil proposed the following solution. Download and run the Windows 10 Media Creation tool. Download it and check the download. When this process is complete, close the tool and press WinKey+R to open the Run field.
Insert this path and press Enter:
Your installation should start and the upgrade should be successful.
Please let us know if anything helps you here.
If you encounter other problems, this article will help you troubleshoot installation or upgrade errors in Windows 10.