Want to free up drive space on your system? Don’t worry; we have the solution to your question. Low Disk space, especially on “E” Drive, is not the matter to be ignored. Users reported several issues related to low disk space notification regarding drive “E.” such type of notification usually appears on desktop view or when we try to launch recovery drive on the respective system. It may appear due to various reasons such as the drive is completely full, and thus you can’t use this storage section to keep or store more files.
Please read the originial post here: https://www-morton.com/how-to-fix-low-disk-space-on-e-drive-on-windows-10/