1. Trojan viruses destroy Flash files and browser-related components, and ordinary antivirus software does not do system repair after checking and killing.
2. The computer did not install the pure and safe Flash plug-in, so the web video can not be opened.
3. Network bandwidth is insufficient, some programs are taking up your network bandwidth.
4. Browser settings are set to disallow the use of Active controls and JAVA scripts so that web videos cannot be played.
Watch video solution
First step: first use the free antivirus software Kingsoft to confirm whether the Trojan horse problem of the web video can not open the situation.
Step 2: Use Kingsoft's software management function to update the latest version of Flash plug-in and your favorite browser.
Step 3: Use Kingsoft's monitoring tool to find out which programs are taking up a lot of Internet speed, or whether you have insufficient bandwidth. Please read through how to test your internet speed so you can understand your broadband and freely allocate your bandwidth, disable programs that don't take up too much traffic, or adjust the minimum occupancy value.