Disable Your Active Firewalls
Please make sure that your PC's firewall is not blocking CCleaner's internet connection, as it requires an Internet connection for updates, error reporting, and its online features. If you are facing issues with CCleaner, it could be due to firewall blocking. Hence, it is recommended to turn off your PC's firewall to ensure that CCleaner can access the Internet without any interruption.
This guide provides complete instructions for disabling Microsoft Defender Firewall protection.
To turn off Windows Defender Firewall, follow these steps:
- You need to open the Control Panel.
- In Control Panel > click System and Security" then click "Windows Defender Firewall.
- From the left pane, select Turn Windows Defender Firewall on or off.
- Select Disable Windows Defender Firewall (not recommended) for each network setting.
- Click OK to save your changes.
Note: Users who already have third-party firewalls installed can simply disable them through their settings tab. If you have antivirus software from a third-party installed on your computer, make sure to disable its firewall component if it has one. This will help avoid any potential conflicts or issues that may arise.
