Hi @Julie,
This is an English language forum, I suggest you post the question in English.
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
About your question, did this problem appear in all Word documents or a specific document?
Where did you save the document?
I suggest you open it in safe mode running the following command: Press Win + R, type "winword /safe" in the blank box, press Enter. If it works fine in safe mode, please check the add-ins in your Word and disable them.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.