LibreOffice stores by default the user settings in Windows 7 in this folder: C:\Users\<username>\AppData\Roaming\LibreOffice\4 But since it is LibreOffice 5, the folder must or should be C:\Users\<username>\AppData\Roaming\LibreOffice\5
The ESC chose not to use the /5/ name and force a user profile migration. See links for ESC discussions and decision in duplicate bug https://bugs.documentfoundation.org/show_bug.cgi?id=93057#c10 *** This bug has been marked as a duplicate of bug 93057 ***