What’s strange is that Avast didn’t detect any sign of threat that was doing that.Īfter several attempts to fix the problem, I came to know that it was caused by a third party firewall which I’ve installed not long ago. This had happened to me personally where all 3 main Avast shields keeps turning off themselves without my acknowledgement even after turning them on manually. Simply right click on Avast icon in the notification area and select update.Īvast Shields keeps turning off themselves Update Avast now if you haven’t already done so. Avast will usually solve them and release the fixes in following updates. There were often compatibility issues between software especially when they were newly released. It’s also worth to mention that you should make sure Avast program and its virus definition are always up to date. We have already written a full step-by-step guide and instruction on how you can fully remove Avast (which usually cannot be done via Windows default add or remove program feature) and re-install it in a fresh condition here: Avast cause computer to freeze during scan or update, how to uninstall Avast. If none of the above works for you, the next thing is to try a clean uninstall and re-installing Avast program entirely. They would most likely be clashing with each other when something happen. Imagine if you give the key of your door to two different doorkeepers with their own defend protocols. There is no reason to run two antivirus at once, there is simply no extra benefit doing so. In most cases, this should solve the problem as most problems come from the conflicts if there is any. If you have recently installed a new protection software, try to remove it temporary to see if the problem persists. There will certainly be conflicts between two antivirus or firewall programs running at the same time. Avast Scan Freezes Computer or Update Hang Windows 10/8/7Ĭonflict caused by other antivirus or protection softwareĪvast antivirus should not be run in conjunction with any other antivirus, anti-malware, anti-spyware, or other kinds of protection software.

Avast webshield will not turn on