1. First of all, let's determine whether the software can't be opened because our network speed is not good enough. Here, we can measure the speed with a broadband speedometer first. If it is the problem of network speed, you can use the "360 first aid kit" to diagnose and repair network congestion.

2. Secondly, open the browser on the desktop, select the Tools menu in the upper right corner of the page, select Clear Browser History in the pop-up page, check all the check boxes in front of each option, and click Delete.

3. If it can't be opened in the end, it will be repaired with "360 Security". Enter "Unable to watch network video" in "Search Scheme" and select "Fix it now" in the pop-up options.