super werid - I have had similar things when I have a remote session open. But from memory that effected other applications as well. Do you have a remote Session open?

Not that I am aware, no.

It looks like there is an option here in with windows setting which lets you use different input methods for each app window. Is this checked on?

No, it is not checked on.

I am triggered by the word 'suddenly'. Apparently, your keyboard worked correctly in FME and then, from one moment to another, not anymore. Could you think of a change on your system that could have caused this issue, i.e. something that has happened between the moment everything was still fine and now?

And: can you please tell us a little bit more about your environment (OS, FME version, language settings, etc.)? Did you contact your system administrator on this issue?

I cant really pinpoint when it happened, but it was working this morning and then not, I can quite put my finger on when/how I noticed it the first time. I have a PC running Windows 10 and working in FME Workbench 2021. My language setting of the computer (and my keyboard) is Swedish, but FME is in English. No, I have not yet contacted a systems administrator, but unless it resolves itself soon I will have to do so.

Thanks for your reply. There should be a cause, of course, but yeah, in cases like this, with a weird, sudden change, these causes might be difficult to track... That's why you should contact system administration. They might be able to shed some light on the issue...

There is a hotkey to switch keyboard layouts in Windows (Alt-Shift), but that would switch it for all apps, not just FME.

Thanks for your help everyone. It was have the same issue all day yesterday despite numerous restarts etc. but when starting FME today it is back to normal! Still no idea what caused it but glad that it resolved itself.

Good to hear the issue has disappeared