Avast Antivirus not only helps to scan, detect and remove the virus and malware but it also works excellently to safeguard your system from online threats. For that, it keeps its eyes on the internet and blocks those URL which is suspicious. To stop it from blocking the internet, click on ‘Stop’ option to disable the Web Shield. Select the duration to stop it.  Now, click on Yes to confirm the changes. If you are facing any glitch while doing this then contact Avast Support Number UK to get it resolved shortly.