h2testw.exe is part of a product called known as H2testw and the developer is c't Magazin für Computertechnik .
If you think that this file contains a virus or another malware, please download a virus scanner.
If h2testw.exe 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 H2testw from the list to remove the process h2testw.exe from your computer.
If you have any problems with h2testw.exe, 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 c't Magazin für Computertechnik, the developer of h2testw.exe and ask for more information.