dashost.exe is a application which is probably NOT a virus or malware. So, if dashost.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to purchase a good antivirus with a good track record, in order to yourself yourself against viruses and malware.
Normally, this program is stored in C:\WINDOWS\system32\dashost.exe.
The MD5 fingerprint for this program is 6f12b244b6bac8eeeb506c0bee04f8cb.
This application does NOT operate as a Windows service. This is normally a good sign.
dashost.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can exploit the full power of a modern computer cpu.
dashost.exe has a digital signature. Today most legit software applications are digitally signed.
The digital signature attached to dashost.exe is valid. This is very good.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have a removal routine set up in registry.