wudfhost.exe is a program which is most likely legit. So, if wudfhost.exe is on your laptop or desktop computer, it is most likely ok, and will NOT cause problems. Even if your system is virus-free, it is still recommended to purchase a good antivirus with a good track record, in order to defend your PC against potential security problems.
This program is usually stored in C:\Windows\System32\WUDFHost.exe.
The MD5 checksum for this executable is 82caf39a13834b14ee334ee69ffe0267.
This application does NOT run as a Windows service. This is usually a good sign.
wudfhost.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This exe can put to good use the full power of a modern computer processor.
wudfhost.exe is digitally signed. Nowadays most serious software applications are digitally signed.
The digital signature attached to wudfhost.exe checks out perfectly. This is very good.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have an uninstall routine set up in registry.