The dasHost.exe (Device Association Framework Provider Host) file is a file provided by Microsoft and used in Windows operating systems. Under normal circumstances, the file should not be moved or deleted because it’s necessary for certain operations.
DasHost.exe is used to connect wireless and wired devices to the Windows operating system, such as a printer or mouse. You’ll likely run into it only when browsing through Task Manager; it's listed along with other running services. It's also visible in the Windows\System32 folder