While using the Cốc Cốc browser, you might encounter situations where it automatically opens links to advertising websites. Your computer may have hidden adware, or the Pop-ups feature in your browser might not be disabled. To prevent self-opening websites on Cốc Cốc, follow the methods shared in this article.

Here's a guide on successfully blocking self-opening websites on Cốc Cốc. Feel free to refer to the instructions below.
Method 1: Adjusting Cốc Cốc Settings
Step 1: Choose Cốc Cốc -> Settings to open the Cốc Cốc settings window.

Step 2: In the Settings section, select Privacy -> Content Settings.

Step 3: Choose Pop-ups.

Step 4: Uncheck in the Allowed section.

Thus, the pop-up window will be blocked, preventing some advertising websites from opening automatically on Cốc Cốc.
Method 2: Remove Hidden Adware
Step 1: Download and install one of the two malware scanning software from the following links:
- Malicious Software Removal Tool: https://www.microsoft.com/en-us/download/malicious-software-removal-tool-details.aspx
- Bitdefender Adware Removal: https://www.bitdefender.com/premium-services/adware-removal.html
Step 2: Once the installation is complete, perform a full computer scan.

Step 3: If the program displays No malicious software was detected, it means your computer is free of adware.

If your computer contains adware or malware, the software will show a list of file paths. Simply open Control Panel -> Uninstall a program (or use specialized uninstaller software) and uninstall the identified software.

Additionally, you can use AdwCleaner to clean adware and malware on your computer with the following steps:
- Download the latest version of AdwCleaner from here https://toolslib.net/downloads/viewdownload/1-adwcleaner/
- Run the downloaded file and select Agree to the software terms. Once the main interface of AdwCleaner appears, choose Scan Now to scan your entire computer and identify adware, and malware.

- After the program completes the scan, the interface will display threats, adware, and malware on your computer. Simply check the identified threats and choose Clean and Repair to remove the threats from your computer.

This article introduces you to some methods to block self-opening websites on Cốc Cốc. Feel free to explore and implement these methods to prevent websites from automatically opening and causing disruptions or network lag while browsing. Wishing you success!