Introduction
Sometimes the files downloaded from the mailbox cannot be opened normally, prompting 试图打开文件时候遇到错误that most of the time it is not that the file is damaged during the download, but a protection scheme of windows to prevent the spread of viruses
Solution
Right-click on the file to open properties, click 解锁锁定, ok The file opens normally
If the file is damaged, you can try to repair it when opening, and select it from the drop-down list in the Open dialog box.打开并修复
