Need More Info Game freezes after alt tabbing

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No, I didn't use any mods.


Grandmaster Knight
Summary: It happens after 2-12 occasions. Game screen freezes, menus don't work, but no crash, no crash report. I can switch to other windows anytime.
How to Reproduce: use alt-tab
Have you used cheats and if so which: no
Scene Name (if related):
Media (Screenshots & Video):
Computer Specs:
OS: Win10
GPU: geforce gtx 970
GPU Driver Version: 516.59
CPU: Intel(R) Core(TM) i5-4440 CPU @ 3.10GHz 3.10 GHz
RAM: 8
Storage Device (HDD/SSD): ssd


This also happened to me before. It doesn't happen consistently, but just twice. Although I do often Alt-Tab to other apps in Windows while playing Bannerlord.

My stats are:
OS: Windows10
GPU: Nvidia GeForce GTX 1650 Super
GPU Driver: 516.94
CPU: AMD Ryzen 5 3600

MArdA TaleWorlds

Community Support & Localization
Community Support
Could you try capturing telemetry data on perf_test branch so that we can check if we can see any data related to the freeze?
We have a special performance build to check for these issues by collecting telemetry data. With that data, we can see exactly where and when the game's performance issues happened.
  • Switch to “perf_test” from the Steam betas tab. You can also use the "perf_test_beta" for the most current beta build-related issues. You can find more info about it here.
  • Open the game as usual and proceed to the stage where you are experiencing performance issues.
  • Before the performance issues start, toggle the profiling tool by holding the “right shift” and pressing the “T” key.
  • Record for 20-30 seconds, press the toggle key combination again. Please keep in mind that, the more you record, the more upload time it will require.
  • Find the "test.tmcap" file in the "...\Mount & Blade II Bannerlord\bin\Win64_Shipping_Client" folder. You can find the "Mount & Blade II Bannerlord" folder inside the games installation folder.
  • Finally, you can send the file to us via the ticketing system. You can find more info about how to upload files to us with the new ticketing system here.
  • It is appreciated if you provide more information about your PC, what you were doing while the game was recording, and your graphics configuration. If the data you are trying to upload is too big or the site fails to upload, you can use an alternative site to upload your data. If you choose to do that please left a reply to this thread with the download link.
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