Mixed languages in Windows 11 24H2 IoT LTSC

Question

Mixed languages in Windows 11 24H2 IoT LTSC

IdeDx 20

Good morning, I have a problem changing the language of Windows 11 24H2 IoT LTSC, I downloaded the ISO from the Microsoft website but it is only in English, so when installing Windows, I go to Settings to install the language pack which in my case is Spanish Mexico, I install it and remove the English language pack, in addition to configuring other language settings in Administrative language settings and Regional format in Spanish Mexico, when I restart the PC, the language is changed to Spanish at 90% or more, but when installing the Windows Updates that have come out so far, when I restart the PC, some things are set to English, such as the Settings. A few days ago that happened to me on another PC with Windows 11 24H2 IoT LTSC, I tried uninstalling the Spanish Mexico language and reinstalling it, in addition to insisting on Checking for updates even though it already marked that it was updating the system, then Windows Update installed the KB5053656 update even though it was already installed, but it did not pass the "Downloading" part and then went to "Completed", I restarted the PC and the language was already corrected, but with this other PC the aforementioned did not work for me, I paused Windows Update to prevent it from installing the KB5053656 update anyway to avoid any bugs and I uninstalled and installed the Spanish Mexico language again, I restarted Windows and when I wanted to check for updates, part of the Windows Update window went blank, not even the Check for updates button appeared.

Sin título

I read that apparently the 24H2 version is giving problems when changing the language, just like it happens to me, this problem was reported since the end of February but even with the updates until today, it seems that it is not solved 100%. I read that a user corrected this problem by selecting the option to Fix problems with Windows Update in Settings, I did that also to see if it fixed that Windows Update bug that didn't show the letters and options, then I restarted the PC when apparently that fix was installed, when starting, Windows Update was already working fine, but now the system is completely in English and it doesn't even allow me to change the language to Mexican Spanish.

I hope you can help me please and thank you very much for the help.

Untitled

https://www.xda-developers.com/windows-11-24h2-update-reportedly-triggers-unwanted-language-mix-up/

Marten Theunissen 676 Reputation points

2025-03-29T22:00:26.2933333+00:00
Good day,

I see that you have done a bit of work already. Please check and run throught the below step for feedback.

Set Your Preferred Language as Default

Open Settings:

Press Win + I to open the Settings app.

Go to Time & Language:

Click on Time & Language.

Select Language & Region:

Ensure your preferred language (e.g., Spanish (Mexico)) is set as the default.

Override Language Settings

Open Control Panel:

Type Control Panel in the Windows search bar and open it.

Select Clock, Language, and Region:

Click on Language.

Advanced Settings:

Click on Advanced settings from the left panel.

Under Override for Windows display language, select your preferred language.

Under Override for default input method, select your preferred input method.

Click Save.

Prevent Language Changes via Group Policy (Windows Pro/Enterprise)

Open Group Policy Editor:

Press Win + R, type gpedit.msc, and press Enter.

Navigate to Language Settings:

Go to Computer Configuration > Administrative Templates > Control Panel > Regional and Language Options.

Configure Language Settings:

Set policies to enforce your preferred language settings.

Check Windows Update Settings

Open Settings:

Press Win + I to open the Settings app.

Go to Update & Security:

Click on Update & Security.

Advanced Options:

Ensure that updates are set to respect your language preferences.

Monitor Installed Updates

View Installed Updates:

Type View Installed Updates in the Windows search bar and open it.

Check if any recent updates might have affected language settings.
IdeDx 20 Reputation points

2025-03-31T17:16:39.7066667+00:00

Thanks for the help @Marten Theunissen , I will try this, I hope this annoying problem is corrected. When I test it, I'll let you know if it worked for me.
Marten Theunissen 676 Reputation points

2025-04-06T04:36:52.59+00:00

if the Answer is helpful, please click "Accept Answer" and upvote it
IdeDx 20 Reputation points

2025-04-16T21:00:16.3433333+00:00

@Marten Theunissen Hello good day, as I had problems with the previous system due to the problems I mentioned in my post, I reinstalled Windows 11 IoT LTSC 24H2 from scratch, I tried the options you mentioned, but the language is still mixed in Settings and other options, point 2 of Override Language Settings seemed interesting to me, but it does not appear in the Control Panel, I think that option is no longer available in Windows 11 IoT LTSC 24H2, I don't know if there is anything else to do, the truth is that this problem is annoying, thank you very much for the help
IdeDx 20 Reputation points

2025-04-16T21:10:05.3933333+00:00
IdeDx 20 Reputation points

2025-04-21T15:59:37.6666667+00:00

UPDATE:

Good morning, thanks for the help @Marten Theunissen @Anonymous . I had to format again to try the solutions given by my colleagues who responded to me for this language problem, in case I did something wrong or to do it differently (poor my SSD XD, it's already been formatted more than 4 times).

Since it was formatted with Windows 11 IoT LTSC, I followed Mars Shan-MSFT's solution of updating Windows from Windows Update before changing the language. I had done the same thing previously, but without activating Windows. I did it with the trial version, but when I restarted the PC, the problem of mixed languages occurred again, even with all the updates installed. Now, with this new installation, I proceeded to activate Windows and install all the updates from Windows Update. Once Windows was updated, I installed the Mexican Spanish language, set the region, changed the lock screen language, and other settings to change the entire language. Then I restarted, and the language no longer changed. Now, almost everything stayed in Mexican Spanish. It's not like before, when Settings and other options remained in English.

I'm still not sure if this will work forever. I'll wait for other updates that they usually release at the end of each month to see if the mixed language problem doesn't occur again. I hope not. For now, it's fixed, and I hope it stays that way. I'll update my comment and give the final conclusion in the next few days when Windows is updated to see if it works.
IdeDx 20 Reputation points

2025-04-21T16:05:55.2+00:00
IdeDx 20 Reputation points

2025-05-25T01:03:07.7266667+00:00

Hi everyone

Good day

Apologies for the delay, I was sick and had other things to do like work, also because I was waiting for Microsoft to release the next May update, which came out on May 13th. I updated and it's still the same, it hasn't failed, the language hasn't changed anymore.
IdeDx 20 Reputation points

2025-05-25T01:03:55.1833333+00:00

What is true is that Windows 11 IoT 24H2 LTSC has the old Paint application, that app remained in English but there is no problem, I can download it from the Microsoft Store and from there install the new version of Paint, other than that, the rest did not change, the file explorer, the settings and the other things that changed their language no longer did so and stayed in the Mexican Spanish language that I wanted to install so much.
IdeDx 20 Reputation points

2025-05-25T01:04:37.62+00:00

In the end I was right, my first hypothesis or theory was wrong, also part of the time I was absent was to do other installations of Windows 11 IoT LTSC 24H2 to try to replicate the problem and see what the exact solution was, in the end I was able to discover what was the cause of this great inconvenience, it may even sound "silly or simple" but it seems strange to me that something so simple has given "headaches" to many of us, hopefully with this they can do something to warn users from Microsoft or try to fix it

2 answers

Your answer

Marten Theunissen 676 Reputation points

2025-03-29T22:00:26.2933333+00:00

Good day,

I see that you have done a bit of work already. Please check and run throught the below step for feedback.

Set Your Preferred Language as Default

Open Settings:

Press Win + I to open the Settings app.

Go to Time & Language:

Click on Time & Language.

Select Language & Region:

Ensure your preferred language (e.g., Spanish (Mexico)) is set as the default.

Override Language Settings

Open Control Panel:

Type Control Panel in the Windows search bar and open it.

Select Clock, Language, and Region:

Click on Language.

Advanced Settings:

Click on Advanced settings from the left panel.

Under Override for Windows display language, select your preferred language.

Under Override for default input method, select your preferred input method.

Click Save.

Prevent Language Changes via Group Policy (Windows Pro/Enterprise)

Open Group Policy Editor:

Press Win + R, type gpedit.msc, and press Enter.

Navigate to Language Settings:

Go to Computer Configuration > Administrative Templates > Control Panel > Regional and Language Options.

Configure Language Settings:

Set policies to enforce your preferred language settings.

Check Windows Update Settings

Open Settings:

Press Win + I to open the Settings app.

Go to Update & Security:

Click on Update & Security.

Advanced Options:

Ensure that updates are set to respect your language preferences.

Monitor Installed Updates

View Installed Updates:

Type View Installed Updates in the Windows search bar and open it.

Check if any recent updates might have affected language settings.
IdeDx 20 Reputation points

2025-03-31T17:16:39.7066667+00:00

Thanks for the help @Marten Theunissen , I will try this, I hope this annoying problem is corrected. When I test it, I'll let you know if it worked for me.
Marten Theunissen 676 Reputation points

2025-04-06T04:36:52.59+00:00

if the Answer is helpful, please click "Accept Answer" and upvote it
IdeDx 20 Reputation points

2025-04-16T21:00:16.3433333+00:00

@Marten Theunissen Hello good day, as I had problems with the previous system due to the problems I mentioned in my post, I reinstalled Windows 11 IoT LTSC 24H2 from scratch, I tried the options you mentioned, but the language is still mixed in Settings and other options, point 2 of Override Language Settings seemed interesting to me, but it does not appear in the Control Panel, I think that option is no longer available in Windows 11 IoT LTSC 24H2, I don't know if there is anything else to do, the truth is that this problem is annoying, thank you very much for the help
IdeDx 20 Reputation points

2025-04-16T21:10:05.3933333+00:00
IdeDx 20 Reputation points

2025-04-21T15:59:37.6666667+00:00

UPDATE:

Good morning, thanks for the help @Marten Theunissen @Anonymous . I had to format again to try the solutions given by my colleagues who responded to me for this language problem, in case I did something wrong or to do it differently (poor my SSD XD, it's already been formatted more than 4 times).

Since it was formatted with Windows 11 IoT LTSC, I followed Mars Shan-MSFT's solution of updating Windows from Windows Update before changing the language. I had done the same thing previously, but without activating Windows. I did it with the trial version, but when I restarted the PC, the problem of mixed languages occurred again, even with all the updates installed. Now, with this new installation, I proceeded to activate Windows and install all the updates from Windows Update. Once Windows was updated, I installed the Mexican Spanish language, set the region, changed the lock screen language, and other settings to change the entire language. Then I restarted, and the language no longer changed. Now, almost everything stayed in Mexican Spanish. It's not like before, when Settings and other options remained in English.

I'm still not sure if this will work forever. I'll wait for other updates that they usually release at the end of each month to see if the mixed language problem doesn't occur again. I hope not. For now, it's fixed, and I hope it stays that way. I'll update my comment and give the final conclusion in the next few days when Windows is updated to see if it works.
IdeDx 20 Reputation points

2025-05-25T01:03:07.7266667+00:00

Hi everyone

Good day

Apologies for the delay, I was sick and had other things to do like work, also because I was waiting for Microsoft to release the next May update, which came out on May 13th. I updated and it's still the same, it hasn't failed, the language hasn't changed anymore.
IdeDx 20 Reputation points

2025-05-25T01:03:55.1833333+00:00

What is true is that Windows 11 IoT 24H2 LTSC has the old Paint application, that app remained in English but there is no problem, I can download it from the Microsoft Store and from there install the new version of Paint, other than that, the rest did not change, the file explorer, the settings and the other things that changed their language no longer did so and stayed in the Mexican Spanish language that I wanted to install so much.
IdeDx 20 Reputation points

2025-05-25T01:04:37.62+00:00

In the end I was right, my first hypothesis or theory was wrong, also part of the time I was absent was to do other installations of Windows 11 IoT LTSC 24H2 to try to replicate the problem and see what the exact solution was, in the end I was able to discover what was the cause of this great inconvenience, it may even sound "silly or simple" but it seems strange to me that something so simple has given "headaches" to many of us, hopefully with this they can do something to warn users from Microsoft or try to fix it

Answer 1

Anonymous

Hello，

You might try the following steps to mitigate the issue:

Before Installing Language Packs or Updates:

• Ensure that you’ve installed all available Windows updates (including cumulative updates) before changing language settings. In some cases, having an up-to-date system has helped preserve custom language settings.

• Back up your system or create a restore point so you can revert changes if necessary.

Reinstall the Spanish (Mexico) Language Pack:

• Uninstall the Spanish (Mexico) language pack.

• Reboot the system.

• Reinstall the Spanish language pack from Settings → Time & Language → Language & Region.

• In the “Administrative language settings” (accessible via Control Panel → Region → Administrative tab), click “Copy settings…” and check both “Welcome screen and system accounts” and “New user accounts” so that the installed language carries over.

System Integrity Checks:

• Running System File Checker (sfc /scannow) and DISM might help if a corruption is causing the rollback of language settings:

– Open an elevated Command Prompt.

– Run: sfc /scannow

– Then run: DISM /Online /Cleanup-Image /RestoreHealth

If the Answer is helpful, please click "Accept Answer" and upvote it.

IdeDx 20 Reputation points

2025-03-31T17:17:41.05+00:00

Thanks for the help @Anonymous , I will try this, I hope this annoying problem is corrected. When I test it, I'll let you know if it worked for me.
IdeDx 20 Reputation points

2025-04-16T21:02:48.81+00:00

@Anonymous Hello good day, as I had problems with the previous system due to the problems I mentioned in my post, I reinstalled Windows 11 IoT LTSC 24H2 from scratch, I tried the options you mentioned, but the language is still mixed in Settings and other options, I first tried installing the updates from Windows Update and then changing the language to Spanish Mexico as you told me, but when I restart the languages are mixed, I don't know if there is something else to do, the truth is that this problem is annoying, thank you very much for the help
IdeDx 20 Reputation points

2025-04-16T21:09:41.9533333+00:00

Answer 2

Well, the SOLUTION is simple: You have to let the language pack to be installed, install everything together with its add-ons, when it is properly installed, now remove the package or packages that you do not want, it seems that the problem arises when while the desired language pack is being installed, if you remove the other language pack that you do not want while the installation of the other continues, that is where the system fails and mixes up the languages, it is rare that it happens, not even Windows itself warns you about this, that seems to be what I did as soon as the Spanish Mexico language was installed, then I then removed the English USA package as soon as the Spanish Mexico began to install, that is where the mixed language problem started.

I was able to prove that this is the solution because I did 2 installations of Windows 11 IoT 24H2 LTSC: one on my main WD Green SSD where I had that problem making a partition and the other installation I did on an ADATA SU650 SSD that I had around, in both I tried that solution and they turned out fine, without any problem after updating Windows, also with the May update it did not give those problems, but I was not able to take a screenshot of it but even with the screenshot above it shows that it no longer fails.

IdeDx 20 Reputation points

2025-05-25T01:07:36.5466667+00:00

Good morning, I recommend you try the solution I mentioned and I will give the more detailed steps. In my case I also had that problem, just as it was reported in the Microsoft forums and other sites. From what I could test, it seems that this is the solution, but by trying it yourself you will know if it will work for you. Let's hope so, just as it worked for me.
IdeDx 20 Reputation points

2025-05-25T01:15:59.4433333+00:00

In the following link in the last messages of the post, you can find my messages giving the solution for this problem. I will soon give the rest of the steps and case B. Please be patient, my work and other obligations take up my time.

https://answers.microsoft.com/en-us/windows/forum/all/24h2-fresh-install-fails-to-fully-localize-os/7a1f53cb-8f77-4470-88d4-74b7ef315a65?page=4

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Mixed languages in Windows 11 24H2 IoT LTSC

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