Hi,

first all sorry for that regression (not being able to override the system 
locale with "English" - all other languages work...).
You have several options:

- Check the workarounds given in the comment on 
https://qt-project.atlassian.net/browse/QTCREATORBUG-34457 to get English back 
in Qt Creator 19.0.1 even with German system locale.
- Download and install the fixed Qt Creator 19.0.2 snapshot from 
https://download.qt.io/snapshots/qtcreator/19.0/19.0.2/ . Use the "Link with 
Qt" 
(https://doc.qt.io/qtcreator/creator-project-qmake.html#register-installed-qt-versions)
 functionality to make the standalone installation aware of the Qt Online 
Installation.
- If you insist you can also use the same to downgrade to QtC 19.0.0 instead of 
installing the fixed QtC 19.0.2 snapshot. You find the offline installers at 
https://download.qt.io/official_releases/qtcreator/ .

++ Eike

> Am 25.04.2026 um 17:32 schrieb Schimkowitsch Robert 
> <[email protected]>:
> 
> Hi!
>  After upgrading from 19.0.0 to 19.0.1, Qt Creator ignores the language 
> settings in preferences, which makes it very hard to work, given that all the 
> documentation I use is in English.
> I tried to downgrade back to 19.0.0 (something I have done several times with 
> Visual Studio, if something didn’t work), but even when I enable “Archive” in 
> Qt Maintainance Tool, I can’t find out how to install 19.0.0.
>  Any hints?
>  Robert
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