2. The website server fails or the server is cached. If this happens, you can only contact your web hosting provider. The network speed is too slow, and the link has timed out. You can try to open another website for testing. Or try to clear the browser cache.
3. In safe mode, the effect is better! In order to ensure the use effect, you should install or upgrade the following software to the latest version. If there is no antivirus, you can directly use the following methods.
4, sometimes the network is not smooth, and if you can't connect for a while, you will find another time; Sometimes websites are closed or blocked.
5. Open a browser, click Tools → Manage Plug-ins, and disable all suspicious plug-ins, or you can know exactly what to keep.
6. There are many situations: your computer network has been disconnected, and whatever webpage you open will display 404. You have the Internet, but the page you visited has been deleted, so 404 is displayed. You violate too many rules in some large forums, and entering some posts may be banned by the administrator, so you can't view the information.