A family of Microsoft word processing software products for creating web, email, and print documents.
- Do you have Korean language pack or Korean language interface pack installed on your computer?
- Which is the default language set in Word (Review, Language, and Set Proofing Language)?
Click on Review, Spelling & Grammar, uncheck 'Check Grammar' and close the Spelling and Grammar' checking window and see if it helps.
If the issue still persists, upload screen shot of the help window to better assist you:
Note: Post back the shared link and ensure that the uploaded content doesn't contain any confidentional information as this is a public forum.