Script runtime error at instruction avastBHO.SERPWatcherOnReadyState()

Hello
Logging in by explorer 11 to the web page “https://www.google.it” the script to stop at the instruction line avastBHO.SERPWatcherOnReadyState()
No issue using firefox as browser
My avast version is 11.1.2245

this is the script
{
var _alreadyRunned = false;
setTimeout(function _watcherReady() {
if (window.document.readyState === “complete” && !_alreadyRunned) {
avastBHO.SERPWatcherOnReadyState();
_alreadyRunned = true;
} else {
timer = setTimeout(_watcherReady, 1000);
}
}, 1000);
};

thanks to anybody can help me
Bye

Update avast to the latest version and see if the problem still is there.
You are using a old(er) version.

https://forum.avast.com/index.php?topic=185928.0

If you want there is also a beta version that has fixes for several things :
https://forum.avast.com/index.php?topic=186408.0

I’ll try…
for the moment I unflagged the script error alert in internet option of ie11

thanks for your suggestion

bye