Problem screenshot:
There are two ways to solve this problem: if the first one fails, use the second one.
1、 Set as shown in the figure below
2、 Close by modifying the registry
1. First activate Office and Baidu will download it by itself.
2. Change the registry.
Click "Start" - click "Run" - enter "regedit" and enter OK
find HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Options You can see that there is a NoRereg attribute on the right. If there is no such attribute, please create a new one with the right mouse button. The value is DWORD (32-bit), named NoRereg, hexadecimal, and the numeric data is 1. After that, exit.
3. Re open the word or other office files to try, and the configuration progress bar disappears. Enter the editing interface directly. success!
---Extract from Baidu experience.