Effective pro-test
Refer to the following URL
https://jingyan.baidu.com/article/86fae346acca7d3c49121ad4.html
1, the win + r inside the input box enter "regedit.exe" open the registry
2, find the path HKEY_CLASSES_ROOT \ Excel.Sheet.12
3, open the shell \ open
4, delete the folder inside ddeexec
5, and then open the command folder, double-click inside the registry command.
6, just to the end of the / dde to "% 1" quotation marks ah
7, HKEY_CLASSES_ROOT \ Excel.Sheet.8 following content same as above, repeat do it again.
Restart the computer, on the ok!