And you just need to disable your current antivirus software (mostly Windows Defender) and try to install Avast again. This issue mainly occurs due to a conflict between Avast and an existing antivirus program. Occasionally, you may get a fatal error message Process Trust that says ' Avast doesn't trust Avast Installer ', preventing Avast from being installed on the computer. Now, try to install the Avast antivirus again.Īgain, if you are trying to install a lower version of Avast antivirus, it may not be fully compatible with Windows 10. Find if other anti-virus software is installed, right-click on it and choose Uninstall. Open Control Panel> Programs and Features. Check and make sure no anti-virus software is installed If you are having problems using the online installer to install Avast Free Antivirus on Windows 10 then please apply the following solutions. Error Avast Free Antivirus not installing However, if Avast doesn't open then move on to the next solution. C:WindowsExplorer.exe C:WindowsImmersiveControlPanelSystemSettings.exe.

Here, you must add the following address to the exceptions: Navigate to the Exclusions option, then click Add. In the Settings tab, click the General option. You can either double-click the Avast icon on your desktop or Start menu or double-click the Avast icon in the System Tray. It has an icon that resembles an orange splat with a lower-case 'a' in the middle. Click OK, stop in the dialog that appears. Method 2Method 2 of 2:Disabling Avast from Settings. Note: We do not recommend selecting the Stop indefinitely option to stop Firewall permanently. Click the green (ON) slider, then select a time duration. Launch the Avast UI by clicking the Avast icon on the taskbar. Open Avast Antivirus and go to Protection Firewall. If you have Windows 10 black screen issue after installing Avast antivirus software, follow these steps to fix the problem. Now, download the latest version of Avast Free Antivirus and install it on your device. This will uninstall the Avast antivirus and delete corrupted or corrupted files, and once done, reboot your PC. Now, start Windows 10 Safe Mode and run avastclear.exe that you downloaded on the desktop earlier. This includes protection from viruses, URL filtering, a password manager, browser add-on checker, scanning of wireless networks, software update management for missing patches, and a secure browser to cover your online banking and shopping needs. Download Avast Uninstall Utility and save the file on the desktop. Avast Pro Antivirus takes a very powerful approach to antivirus, and is filled to the brim with cool and useful security features. Now, set the DNS server to 8.8.8.8 and the alternate DNS server to 8.8.4.4. Here, double-click on IPV4 to open its properties. Right-click on the network adapter and select Properties. Press Win + R, enter ncpa.cpl and click OK.

Avast free antivirus firewall settings