dashost.exe is a application which is probably legit. So, if dashost.exe is on your PC, it is probably ok, and will NOT cause problems. Even if your system is clean, we still advise you to run a well-known antivirus with a good detection rate, in order to defend your system against potential security problems.
Normally, this application is stored in C:\Windows\system32\dashost.exe.
The MD5 checksum for this file is 66cfaa5940a06daf10f5203bc2b1a5ab.
This application is NOT registered as a Windows service. This is very good.
dashost.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
This is a x64 executable. It uses the full capacity of modern computer processors.
dashost.exe is digitally signed. Nowadays the large majority of serious programs are digitally signed.
The digital signature extracted from dashost.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This program does NOT have an uninstall command stored in registry.