block Serum on the host if activation is complete

open terminal -> sudo nano /etc/hosts
Code:
127.0.0.1 xferrecords.com
Ctrl + O (to save)

a few more series:

SLIJ-EKOC-LGLA-MDGI-KQSQ

SGKG-MJQG-HFOD-NEFE-QABP

SODD-NLNA-DBEA-MKFD-CDQP

SVCJ-ILPG-EDQI-FBJJ-UBGL