Technical questions

Home > Support > Technical questions

Technical questions

DCS crashes and don't work

Some IMPORTANT notes !

1. Your PC have to meet minimum or recommended system requirements:

Minimum system requirements: OS 64-bit Windows 7/8/10; DirectX11; CPU: Core i3; RAM: 8 GB; Free hard disk space: 30 GB; Discrete video card: 2 GB RAM (AMD, NVIDIA), DirectX11 - compatible; requires internet activation.
Recommended system requirements: OS 64-bit Windows 7/8/10; DirectX11; CPU: Core i5+; RAM: 16GB; Hard disk space: 70 GB; Video: NVIDIA GeForce GTX780 / ATI R9 290 DirectX11 or better; Joystick; requires internet activation.

2. Integrated video cards from Intel are not supported.

3. Drivers for Video and Sound devices should be Updated from manufactures website
for example:

DirectX End-User Runtime Web Installer (DXwebsetup)

4. If you need to completely remove AMD / NVIDIA drivers from PC please use DDU.
Display Driver Uninstaller DDU  - is a driver removal utility that can help you completely uninstall AMD/NVIDIA graphics card drivers and packages from your system, without leaving leftovers behind (including registry keys, folders and files, driver store).

5. How to use sfc /scannow - it will inspect and repair all of the important Windows files on your computer, including Windows DLL files.
a) open Command Prompt as an administrator
b) type the following command: sfc /scannow   and then press Enter
c) system File Checker will now verify the integrity of every protected operating system file on your computer

find more information on the website

also you always can google it for other information

I can not start the game. The screen just goes blank. What can i do?

if you was able to run the game before this problem, then...
Try to rename "DCS" folder to Temp in the user folder: C:\Users\User Name\Saved Games\DCS(openbeta,openalpha) and start the game again

DCS World can't launch due to api-ms-win-crt-runtime-|1-1-0.dll being missing

The problem is that the KB2999226 (Universal CRT) which is part of the Visual C++ Redistributable for Visual Studio 2015 failed to install.

Install Windows Updates:
        Go to Start - Control Panel - Windows Update
        Check for updates
        Install all available updates.
        After the updates are installed, restart your computer.
        After the restart repeat the steps above again until no more updates are available.

Install the Visual C++ Redistributable 2017:
the same on MS website: Visual C++ Redistributable for Visual Studio 2017 (64-bit)

The whole post about this problem can be found on

MSVCR120.dll or VCRUNTIME140.dll is missing from your computer

For MSVCR120.dll:
You can find Visual C++ Redistributable Package for Visual Studio 2013 in the installed DCS:
DCS World\distr\vcredist_x64.exe

Also you can download it from MS website

You must have Service Pack 1, if you're using Windows 7

For VCRUNTIME140.dll:
Please download and install Visual C++ Redistributable Packages for Visual Studio 2015:

Visual C++ Redistributable Packages for Visual Studio 2017:

Open Alpha (2.0) or DCS World (1.5.x) Crashes on start. I either get a black screen and then it crashes

It is important to check whether your video card is DirectX 11!

You can try to find your card at list here: List of DirectX 12 and DirectX 11 Compatible Video Cards

Please find more information about system requirements at the products pages: DCS World

Windows 7 service pack 1

It is very important to have installed Service Pack 1 for Windows 7.
Without it you will unable to start DCS World 1.5 or 2.0