Solution:
1. Reduce the browser security factor and refresh the page.
2. Check whether the plug-in "shockwave flash player" in IE option is enabled.
3. Remove system garbage and defragment the disk.
4. Confirm that antivirus software and firewall are not blocked.
5, clean IE cache, antivirus, download the latest flash.
6. Of course, it has something to do with your computer subsystem taking too long. You should redo the system regularly.
7. Repair IE with 360. If not, upgrade your Adobe Flash Player and reinstall the player that comes with the system, windows media player? .
8. Open IE-Tools-Internet Options-Advanced-Pull the slider to the middle position to find "Multimedia", then select "Play Animation in Web Page" and click "Apply" and "OK" to exit.
9. The browser plays the video through the external plug-in. The Shockwave Flash object needs to be installed in the browser add-in.