To solve the error message regarding the DLL files (msvcr120.dll, msvcr140.dll, msvcr160.dll, mfc120.dll and dsp.dll) perform the following steps:
Uninstall all Microsoft Visual C++ packages via the Control Panel.
Restart the computer.
Reinstall the Microsoft Visual C++ packages.
Use the following link to download the installation files (for x64) again:
https://support.microsoft.com/de-de/help/2977003/the-latest-supported-visual-c-downloads