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Steam News24 December 20256mo ago

[1/20 Update] Notice Regarding an Issue Occurring in Certain Environment

[Added on Tuesday, January 20] Regarding this issue, we have conducted verification tests on Windows 11 across multiple environments using the latest patch as of January 20.

Full notes

Full Muv-Luv Alternative update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

1 fix1 addition0 changes0 removals
  • Gameplay
  • Fixes
added[Added on Tuesday, January 20]
fixedTherefore, if you encounter this issue, we kindly ask that you try updating Windows 11 and check whether the problem is resolved.

Muv-Luv Alternative changes

added[Added on Tuesday, January 20]
fixedTherefore, if you encounter this issue, we kindly ask that you try updating Windows 11 and check whether the problem is resolved.

[Added on Tuesday, January 20]

Regarding this issue, we have conducted verification tests on Windows 11 across multiple environments using the latest patch as of January 20.

As a result, we have been unable to reproduce the issue.

Therefore, if you encounter this issue, we kindly ask that you try updating Windows 11 and check whether the problem is resolved.

If the issue persists even after updating Windows 11, please contact our support team for further assistance.

------------------------------

As of 3:00 PM (JST) on Tuesday, December 23, we have confirmed that an issue is occurring in “Muv-Luv Alternative” under certain environments.

■ Issue Details

The game may stop immediately after launch.

■ Other Game Titles That May Be Affected

Please refer to the following information:

https://games.ancr.jp/en/news/16/

We are currently investigating this matter.

We sincerely apologize for any inconvenience this issue may cause and kindly ask for your patience while we complete our investigation and provide further updates.

Source

Steam News / 24 December 2025

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