nativehost.dat is part of a product called known as TumGame PlayBrowser Native Host and the developer is TumGame Company Limited .
If you think that this file contains a virus or another malware, please download a virus scanner.
If nativehost.dat is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select TumGame PlayBrowser Native Host from the list to remove the process nativehost.dat from your computer.
If you have any problems with nativehost.dat, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting TumGame Company Limited, the developer of nativehost.dat and ask for more information.