At random, profile page tabs, buttons, and links become "un-clickable," meaning that they don't respond to users attempting to click them. The link and button rollover effect will still occur, but when the user clicks, nothing happens. This issue doesn't happen on any other page than user profiles.
I've attempted disabling/re-enabling plugins, clearing the site cache, and working one-on-one with users to clear personal browser caches to resolve this issue but a consistent solution hasn't been found. Sometimes it seems like something we do fixes it and other times it appears to resolve on its own.
As a note, it doesn't affect all users at once, just a handful at a time. These users also don't have anything in common in terms of account type or moderation privileges.
Any help in this matter is much appreciated! Thank you.