It is NOT recommended to overwrite your old installation with the newest one. You should always create a new directory. The project is still in BETA state and a lot of things can change, which may require a clean environment.
Example directory structure:
/opt/ts3video/
server-0.4/
default.ini
videoserver
...
server-0.5/
default.ini
videoserver
...
server-0.6/
default.ini
videoserver
...
The problem is that the KB2999226 (Universal CRT) which is part of the Visual C++ Redistributable for Visual Studio 2015 failed to install.
Solution
The problem is that your computer is missing the Visual C++ Redistributable for Visual Studio 2015.
Solution