backgroundtaskhost.exe is a application which is probably NOT a virus. So, if backgroundtaskhost.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to run a well-known antivirus with a good track record, in order to yourself your PC against viruses and malware.
Normally, this program is found in C:\Windows\SysWOW64\backgroundTaskHost.exe.
The MD5 fingerprint for this executable is a2d246cf52d67e7db8563f248c44b89b.
This program is NOT registered as a Windows service. This is very good.
backgroundtaskhost.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This exe runs as a 32-bit program. It can not benefit of the full power of current PC CPUs. This ordinarily happens because the publishers did not bother to upgrade it to 64-bit code.
The description present in the file is Background Task Host.
File version stored as a property 6.2.9200.16384 (win8_rtm.120725-1247).
Author Microsoft Corporation.
Intellectual property rights notice © Microsoft Corporation. All rights reserved..
backgroundtaskhost.exe is digitally signed. Today the large majority of virus-free programs are digitally signed.
The digital signature found in backgroundtaskhost.exe verifies as ok. This is most likely a clean, ok program.
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.