A file of data on a local hard drive ... from the Internet or other remote source. See Web cache and cache. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

You can open File Explorer Options window and click "Clear" to clear the utility's cache to resolve many problems. Other solutions include launching folder windows in a separate process ...

It can be annoying when you are getting things done on your Windows PC and start experiencing slow File Explorer performance.