Hi,

We believe this issue has now been fixed! Can you please try updating your ABP extension?

To do so, do the following:
1 - Click on your Firefox menu (the three lines located on the upper-right of your screen)
2 - Click on Add-Ons and Themes
3 - Click on Extensions
4 - Next to Manage your Extensions, click on the gear icon
5 - Select Check for Updates

If you still experience issues after updating ABP, don't hesitate to reach out to us via support@adblockplus.org.