Clean Reinstall Avast,
Uninstall the Avast antivirus,
Avast Anti Theft Not Working,
Follow the solutions below to troubleshoot the ‘Avast password not working’ problem.
Proceed with the following why is my Avast not Working steps to rectify the ‘Avast remote assistance not working’ issue.
Proceed with the following instructions to resolve the ‘Avast Antivirus not working’ problem on Windows 10.
The first solution is to check the network connection. If there is any issue with that, then the secureline not working error might occur.