dllhost.exe in windows 8 64 bit

First,thank you all for creating this helpful and vital forum
especially in a volunteer manor.

This started a week or so ago.
In performance monitor,I noticed up to 10-12 dllhost.exe entries.
I have read that it is a virus disguised as a legitimate program,
therefore,antivirus won't see it as a virus.
I right click each entry and click end process and they keep reappearing.
After a while they seem to stop multiplying,but soon reappear again.
One of them says access denied,so,I assume that it...

dllhost.exe in windows 8 64 bit