If Avast is not responding properly on your Windows 10, make sure to check the firewall settings.
If there are incompatibility issues with your PC and it doesn’t recognize Avast then rebuilding the WMI repository is one such solution that worked for many users. 9 Solutions to Troubleshoot Avast Won’t Open Issue on Windows 10 Check and ensure that it is running on the most up-to-date version of the Avast Application as well as of your Computer O.S. So, if you also have encountered the same Avast not opening issue on your Windows 10 PC then, fix it immediately with this guide. However, no matter what the reason is, this article will show how to fix Avast issues on Windows 10. The reasons for the occurrence of ‘Avast won’t open’ issue could be many like ‘incompatibility issues between Avast drivers and your PC leading to BSOD errors, interference of firewall settings, broken Avast installation, driver conflicts and not running of Avast service, etc.’
Oftentimes, one of the most popular free antiviruses i.e., “Avast”-it won’t open in Windows 10.