Sorry you are having browser issues.
Many times if you are having trouble with eBay or Amazon product capsules, it is related to ad-blocking software.
As for polls, try these steps.
1. Clear your browser cache.
2. Check or any install any browser or OS upgrades.
3. Disable all browsers extensions and any software such as ad-blocking programs.
4. Restart your computer.
5. Try another web browser like Firefox, Chrome, Opera, or Internet Explorer.
If you are still having problems, please share the following via an email to firstname.lastname@example.org
Browser and browser version.
Error or problems you see (include screenshots if you can)
URL and/or title of specific Hub or Hubs with issues.
What items are you trying to add to the product capsules? What is the specific product code?