- Could you please right click on Word > Run As Administraor
Now see whether you can access the documents.
- Try repairing your Office installation. First try Quick Repair (takes 5 - 10 mins) , if that doesn't help then try Online Repair (Takes more than 30 mins but less than 1 hour in general)
https://support.office.com/en-us/article/Repair...
- Login to Windows with a new user profile and see if problem is resolved.