Press [Ctrl] + [Alt] + [Delete] to open Task Manager and select close the app (not responding).
If the problem continues even after performing the above procedure, hold down the power button for 10 seconds (models before 2026: 4 seconds) or more to turn off the system, and then restart the system.
This symptom may occur due to problems in the Internet or the Internet service provider.
If the problem continues, contact the Internet service provider or the game company.
Use the anti-virus software to check if your PC is infected with a virus, malware, or adware.
What is adware?
Adware is the software that is installed in your PC without your consent and lowers the PC performance.