"Zapping" through videos may cause memory leakage (i.e. the browser may crash).
It may also happen due to long sessions.
Close and open the browser as a last resort.
I'm sorry for the inconveniences but this extension has been developed in relatively few time and things tend to change frequently at this point (see more).
I will try to fix it as soon as changes occur.
By clicking on the extension's icon, the user can choose to:
1 - [DISCOURAGED] automatically adjust the video quality after ads removal (because sometimes YouTube returns the lowest quality after the removal);
2 - [SUGGESTED] automatically bring back the video to the right time after ads removal (as for the previous point but restarting the video instead).
These functions are still experimental and they may be buggy. In particular, following the same order:
1 - It sometimes doesn't adjust the video quality and the info box does not disappear (simply refreshing the page shoud fix the problem)
2 - It always works but, at the moment, if the user is watching a video and returns to its beginning, the extension will reload the page but with the last (greatest) time.