2. Computer network problems. Bad network and low network speed will lead to download failure. You can check whether the network cable interface is in good contact.
3. The web browser is damaged. Browser failures can also make it impossible to access websites. You can try a different browser.
There is a virus in the computer. Unfortunately, the computer is infected with a virus, which will also make some web pages inaccessible. You can use antivirus software to kill computers.