In fact, many people encountered this problem in February 2018. Google Chrome error: The most likely cause of this problem is an error when updating to a new homepage. And the problem only occurs when you use Google’s search engine. It may be due to a conflict between the thumbnails and the search engine text box. Search Engine Option: Google’s default search engine may also be causing this problem. Why won’t Google Chrome show my most visited thumbnails? How do I add my most visited pages to the Google Chrome homepage?.Why have my thumbnails disappeared in Chrome?.Make sure that Google’s local NTP is turned on.Make sure that Chrome isn’t deleting your history.How to resolve the situation when Google Chrome doesn’t display thumbnails of the most visited pages?.Why won’t Google Chrome show my most visited thumbnails?.