The most likely cause is a corrupted normal.dot
Do a search for normal.dot (you will need to enable searching for hidden files and folders). tename it to abnormal.dot then try using Word.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.