1. Confirm whether it is a normal pop-up, and click "Confirm" or "Agree".
2. The pop-up window is not normal. You can try to close the webpage or program, reopen the webpage or program, and check whether there is an updated or repaired version.
3. Confirm whether the network connection is normal, and try to reconnect the network or change the network environment.
4, confirm whether there is a virus on the computer or mobile phone, you can use anti-virus software to conduct a comprehensive scan and cleaning.