

Disable the AV software in your PC and proceed with the Windows Update to see if the problem still exists.


However, if, after that time, the program is still causing PC problems, we suggest you proceed to the following solutions to fix the Modern Setup Host error. Initially, when you see any of the Modern Setup Host errors, it is recommended to wait for at least 3 to 4 hours and let the Modern Setup host run before you try to kill it. How to Fix Modern Setup Host Errors in Windows 10 Sometimes, Modern Setup Host can reach up to 100% disk usage and cause many problems to the PC, including slowing down the PC.

The common problems, as reported by different users, include: Like other Windows components, Modern Setup Host also has its fair share of issues. Many users have reported encountering the Modern Setup Host during Windows 10 Updates or Upgrades, which gives them a very unpleasant experience. The SetupHost.exeprogram runs in the background when Windows 10 is installing certain important updates or during an upgrade from an older Windows version to Windows 10. SetupHost.exe is an executable file that is located inside the C:$Windows.BTSources folder. One such component is the Modern Setup Host or SetupHost.exe. Windows has some built-in components that support the installation of Windows Updates directly on the computer. It is important to keep your Windows OS always updated. If you’ve encountered high CPU usage from the Modern Setup Host, this post will guide you through the process of fixing the problem. In most cases, it causes PC problems such as slowing down the computer. Many Windows users have reported seeing the Modern Setup Host or SetupHost.exe on their Task Manager with high CPU usage.
