taskhostw.exe is a program which is most likely NOT a virus or malware. So, if taskhostw.exe is on your system, it is most likely ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to defend yourself against threats.
Usually, the default name and directory where the program is stored is
C:\Windows\System32\taskhostw.exe.
The MD5 fingerprint for this executable is f56daf008ffd7e423292de21a990b2d4.
This program is NOT registered as a Windows service. This is good.
taskhostw.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a x64 executable. It runs using the full capacity of nowadays' computer processors.
This exe does NOT have visible windows. This is most likely a bad thing.
taskhostw.exe is digitally signed. Nowadays the large majority of clean programs are digitally signed.
The digital signature extracted from taskhostw.exe is valid. This is very good.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have an uninstall command stored in registry.