My Writer Spelling Grammar changes from English USA to Portugese after a few pages of checking.

Writer of LireOffice: I have all the defaults checked for English USA but after spelling and grammar checking for a few pages, it switches to Portuguese and I can’t change it back without quitting and restarting.

Does the Locale setting at Menu:-Tools Options... Language Settings Languages match your actual locale?

For Linux:-

alexK@AVLinux:~$ locale
LANG=en_GB.UTF-8
LANGUAGE=
LC_CTYPE="en_GB.UTF-8"
LC_NUMERIC="en_GB.UTF-8"
LC_TIME="en_GB.UTF-8"
LC_COLLATE="en_GB.UTF-8"
LC_MONETARY="en_GB.UTF-8"
LC_MESSAGES="en_GB.UTF-8"
LC_PAPER=en_GB.UTF-8
LC_NAME="en_GB.UTF-8"
LC_ADDRESS="en_GB.UTF-8"
LC_TELEPHONE="en_GB.UTF-8"
LC_MEASUREMENT=en_GB.UTF-8
LC_IDENTIFICATION="en_GB.UTF-8"
LC_ALL=

Are all your paragraph style settings set to US-English? I can reproduce the problem by modifying the Font > Language settings in the paragraph styles, in my case switching back and forth between English-GB and French. …Peter