Sorry, was hopping to get someone from Avast to look at this, that's why I've said "your".
About the "our website", I quote myself about what I said in first post
At first it conflicted with our custom JavaScript.
Means that we develop JavaScript code, and
Now, your recent updates, are troubling the functionality of our DevExpress DataGrid callbacks.
Means again that we do development...
Avast team knows what DevExpress components are. We are not the first to have this kind of trouble.