ds-7600ni-e1(e2)

HI, I upgraded to the newest UK version NVR_K41_BL_ML_STD_V3.4.96_170921, and I thought it went OK until I tried to login and found he following: 1. Admin name was random letters 2. 27 other users names were present the same random letter letters as the admin 3. After redrawing the login...