avast update problems internet connection

But at the same time, it makes your PC a little but less secure as avast! won’t be able to scan any malicious code being downloaded over a secure connection.

Now you can access various websites using the HTTPS protocol without any problem in any web browser.Ĭonclusion: Disabling the HTTPS scanning for avast! antivirus can solve some of the issues that you may have when accessing the secure websites over the HTTPS protocol. Under the main settings for the Web Shield, un-check the checkbox that says Enable HTTPS Scanning and click on the OK button.Then click on Customize shown for the Web Shield module. In the avast! settings window, select Active Protection from the left panel.In the avast! antivirus window, click on the Settings near the left-bottom corner.You can also launch it from Start Menu or the Search Charms. Double-click on the avast! antivirus icon in the Windows system tray to open the main avast! interface.Here is how you can disable HTTPS scanning in avast! antivirus to fix the untrusted connection / invalid certificate / expired certificate errors : The second method is much easier and you do not have to make changes in different applications individually. There are two solutions for this problem – either you allow the avast! certificate as an exception in various applications like Firefox, Chrome, Thunderbird etc., or you just disable the HTTPS scanning in avast!.

Trying to access even the known secure sites like Google and Yahoo showed me expired or invalid certificate errors. Assuming it to be some malware attack, I scanned all of my hard disk with avast! antivirus, and then with Malwarebytes’ Antimalware but could not find anything. After thirty minutes had been spent, I finally started to go through the avast! settings and figured out the culprit – avast! was set to scan HTTPS traffic and was injecting its own SSL/TLS certificate in place of the original certificates of different websites. I could no longer access any of the websites over the HTTPS protocol. As soon as I installed the new version of the avast! antivirus on my Windows 8.1 PC, I started to have a strange problem.

Avast update problems internet connection