My computer has some malware or virus. It appears on my browser as link to the site cross-news.org/arizonasm. None of antivirus can found and deleted it.
Try AdwCleaner and JRT
AdwCleaner > https://www.malwarebytes.com/adwcleaner/
JRT > https://www.malwarebytes.com/junkwareremovaltool/
If still a problem follow instructions in the link Eddy posted