1. Trojan virus destroys Flash files and browser related components, and common software does not make system repair after killing.

2. There is no pure and safe Flash plug-in installed on the computer, so you can't open the webpage video.

3. The network bandwidth is insufficient, and some programs are occupying your network bandwidth, so you need to use Kingsoft Internet Security traffic monitoring to monitor and adjust.

4. The browser is set to not allow active controls and JAVA scripts, so you can't play web videos.

Unable to watch the video/web video, unable to open the solution.

Step 1: First, use the free antivirus software Kingsoft Internet Security to confirm whether the webpage video cannot be opened due to Trojan virus problems.

Step 2: Use Kingsoft Internet Security software management function to update the latest version of Flash plug-in and your favorite browser.

Step 3: Find out which programs occupy a lot of network speed or have insufficient bandwidth through Kingsoft Guardian monitoring tools. Please read how to test the network speed, let you know your broadband, allocate your bandwidth freely, close programs that don't take up too much traffic, or adjust the minimum occupancy value.

I hope I can solve your problem. If you encounter any problems in operation, please contact me directly.