>>UPDATE: no, that doesn't fix it. It still doesn't work with another UT logon in the same browser session, or if the browser is closed, then re-opened.
>
>There is only a support for one login at the same time. I am not sure exactly what you mean. Can you provide more explanation?

Actions & behaviour:
1. Started computer
2. Started FireFox
3. Went to http://www.levelextreme.com
4. Both User Name and Password fields are blank
5. Filled in User Name and Password fields
6. Pressed Enter with the cursor after the last character of the password
7. Nothing happens. Formerly, this would log on to UT.

8. Clicked on the "Reload current page" button in FF
9. Reloaded page has my username already loaded, but the password field is blank
10. Filled in the Password field
11. Pressed Enter with the cursor after the last character of the password
12. Log on to UT happens successfully.

13. Went to my home page
14. Returned to http://www.levelextreme.com
15. Both User Name and Password fields are blank
16. Filled in User Name and Password fields
17. Pressed Enter with the cursor after the last character of the password
18. Log on to UT happens successfully.

19. Closed FF browser (see note below)
20. Re-opened FF browser
21. Repeated steps 3 - 12, with the same results

Note. I have configured the Privacy tab of FireFox to "Always clear my private data when I close FireFox". In turn, this erases:

- Download History
- Saved Form Information
- Cache
- Cookies
- Authenticated Sessions

I believe that clearing private data is not the default in FF (I remember turning that on), but AFAIR the specific Clear Private Data settings above are the default, I don't recall changing any of them.

I suspect it may be due to something being cleared on exit from FireFox, because once I hit a "page reload" on the UT home page, it works as expected any time I leave UT and log back in, as long as I've left FF running. As soon as I close FF, the problem recurs.

Still, it could be argued that, from a "clean" state, the enter key from the password field should work. That is the way it used to work (in FF, anyways) up until a few days ago.