Some IMPORTANT notes !
1. Your PC have to meet minimum or recommended system requirements:
Minimum system requirements (LOW graphics settings):
OS 64-bit Windows 10; DirectX11; CPU: Intel or AMD 3.0Ghz+ with 4+ cores; RAM: 16 GB; Free hard disk space: 200 GB; Discrete video card NVIDIA/AMD 6GB; requires internet activation.
Recommended system requirements (HIGH graphics settings):
OS 64-bit Windows 10/11; DirectX11; CPU: Intel or AMD 4.5Ghz+ with 8+ cores; RAM: 32+ GB ; Free hard disk space: 500 GB on Solid State Drive (SSD) + extra space for paid content ; Discrete video card NVIDIA/AMD with 8GB+ VRAM; Joystick / Pedals; requires internet activation.
Recommended VR systems requirements (VR graphics settings):
OS 64-bit Windows 10; DirectX11; CPU: Intel or AMD 4.5Ghz+ with 8+ cores; RAM: 32+ GB; Free hard disk space: 500 GB on Solid State Drive (SSD); Discrete video card NVIDIA/AMD from 16GB+ VRAM; Joystick / Pedals / VR; requires internet activation.if you were able to run the game before this problem, then...
Rename "DCS" folder to Temp in the user folder:
C:\Users\User Name\Saved Games\.. and start the DCS game again
The problem is that the KB2999226 (Universal CRT) which is part of the Visual C++ Redistributable for Visual Studio 2015 failed to install.
Solution
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:
(DCS_INSTALL_DIR)/distr/vc_redist.x64.exe
the same on MS website: Visual C++ Redistributable for Visual Studio 2017 (64-bit)
The whole post about this problem can be found on forums.eagle.ru
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
https://support.microsoft.com/en-us/help/3179560/update-for-visual-c-2013-and-visual-c-redistributab...
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:
https://www.microsoft.com/en-us/download/details.aspx?id=52685
Visual C++ Redistributable Packages for Visual Studio 2017:
https://go.microsoft.com/fwlink/?LinkId=746572
or Redistributable Packages for Visual Studio:
https://docs.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist?view=msvc-170
Please delete all unofficial mods from
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
In most cases, it's a hardware problem with the video card or drivers.
Many hints and solutions can be found on the Internet, please Google it for - DXGI_ERROR_DEVICE_REMOVED
Some registry editing tips can be found online, in most cases, they do not help regarding DCS gameplay.
Try decreasing DCS graphic settings, set them to medium or low and then check gameplay.
Perhaps you need to reduce the number of monitors if you have multimonitor setup.
It's important to perform a Factory reset of your video driver settings - Restores all user settings and profiles to defaults.
Perhaps you have installed on your computer package HitmanPro.Alert, checking the integrity of the browser and warning the user about dangerous banking transactions in the network. This program completely blocks the work of both the editor (Launcher.exe) and the simulator (DCS.exe). The developers of this package have been notified of the problem.