I grabbed the original .ONECACHE file, and while I worked out how to open it, tried a workaround; right-click on the section in OneNote and save it out.

If you think of copying the missing installer files from some other computer to this one, it will not help, as the files from the cache are unique for every system.

Clearing the cache of your computer can improve its performance, and here's how you can do it if you're using a Windows 11 ...

Google Chrome could be storing a hundred thousand cached files on your computer, and it doesn't give you a way to delete them.

The recent global deployment of the Windows 11 24H2 update has led to the emergence of an 8.63GB cache file that users are unable to delete through standard methods.