# Pop-up appeared and then disappeared during first documentation search in 11.2

After installing Mathematica 11.2, the first time I searched for something in the help center a pop-up appeared and then disappeared. It didn't appear on a subsequent search, even if I restarted Mathematica. What was that pop-up?

In general, you will only see the pop-up once. It will only appear a second time if a new package with only old-style indices is installed. In addition to the popup, the packages being updated will be also be logged in the file $UserBaseDirectory<>"/Logs/DocumentationSearch/MissingIndexCreation.m". This log will contain one list for each time in history that the pop-up appeared, again typically once. The list will be the list of "Documentation" directories in which a new index was created. If the pop-up is for whatever reason unreadable, simply Geting this file will give you the most recent list of updated directories. (You can use Import[file, "ExpressionList"] to get the complete history.) For package developers: until the Workbench plugin is updated to create both types of indices, you can use this pop-up as a way to self-update your packages for 11.2 compatibility. I.e you can install a copy of your package in $BaseDirectory, do a search in 11.2 to create the new index, and then distribute that updated package. Your users then will not see this popup if they install your package.