How to Fix DEV ERROR 6165 in Call of Duty MW

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On PC, the Error Dev 6165 usually shows seconds after starting Call of Duty Modern Warfare (just after the opening) and crashes the game at every startup. Other users have reported that they can get through the introductory screen, but the game crashes when they try to start a single-player campaign or join a multiplayer match.

Begin troubleshooting the problem by looking for a server fault. Other possible causes include game folder corruption, third-party intervention, unstable overclocking, insufficient DirectX 12 or shadow rendering resources, and obsolete or corrupted GPU drivers. This dev error could potentially be caused by two well-known bugs: the second screen bug and the full-screen bug. We have mentioned steps below to Fix DEV ERROR 6165 in Call of Duty MW

Ways to Fix DEV ERROR 6165 in Call of Duty MW

Run Scan and Repair

Launch the Battle.net client and click Call of Duty: Modern Warfare.

Click Options > Scan and Repair.

Select Start Scan.

Wait until the scanning process is complete.

Then restart your PC and start the game.

Force the Game to Run with DirectX 11

Launch the Battle.net client on your PC.

Select COD: Modern Warfare > Options.

Select Additional Command Line Arguments and type “-d3d11” in the command line.

After that, quit the game and try to play again to check if the error is fixed.

Run The Game In Clean Boot Mode

Another solution for ‘DEV ERROR 6165’ in Call of Duty Modern Warfare is to do a clean boot, which resets the system with minimal drivers and start-up processes, lowering the likelihood of ‘DEV ERROR 6165’. To do so, open the Run box by simultaneously pressing the Windows and R keys, type “msconfig,” and click Enter. Then, under Services, tick the Hide all Microsoft services box. After that, select Disable All. Navigate to the Startup tab and select Task Manager.

Final Words

We hope like our article on How to Fix DEV ERROR 6165 in Call of Duty MW. On the PC version of Call of Duty Modern Warfare, users have reported a Dev Error 6165. When loading into single or multiplayer mode, the game crashes due to the Dev error. According to our research, this is one of the most prevalent Dev Errors that most players have encountered, and we will present remedies that have worked for some for your convenience.