In the process of surfing the Internet using the browser, the connection to the flash player failed because the corresponding plug-in for Flash was not installed on the computer. The specific installation steps are as follows:

1. First, open the security software on the computer:

2. After entering the interface of security tools, click the toolbox option in the lower right corner:

3. Then search for flash player in the search box of the toolbox:

4, and then click on the search results:

5. Finally, the flash plug-in will be installed automatically. After the installation, open the browser again, and you won't be unable to connect to flash.