Hi Gary. My name is***** you for your question and the opportunity to assist.
Can you tell me which browser your are using: Internet Explorer, Mozilla Firefox, Google Chrome, for example?
What you are describing is a malware infection. Anti-virus programs are great for viruses but are much less effective
against malware. Go here: https://www.malwarebytes.org/antimalware/
and download the free Malwarebytes Anti-Malware and install it. Run a scan of
your computer and remove any infections it finds.
I can connect to your computer and perform these actions for you and have made an optional offer to do so.
Hi Gary. Is that scan still running?