After doing research, I tried to open a thumbnail picture on the website. After clicking "open" a box appeared with an unknown logo and the message - (file name) has a virus and has been deleted. Then the only option available was to close the box. This has also happened to e-mail attachments and photos on several trusted websites.
Then I ran Malwarebytes, Super anti-spyware and Microsoft security essentials - all full scans, all no threats except cookies. Microsoft security essentials showed the orange warning recommending an update. When trying to update I was told I did not have access authorization. Since then I could not update, remove or download a new MSE.
Next I purchased Norton 360, but it would not download - contacted Norton support, and they could not take control of the computer to download. After running Windows Defender offline and removing three unidentified threats, Norton support was able to install the 360 program The program has found only cookies in the 3 scans since installation. Norton support has since not been able to take control of the computer to perform diagnostics.
Where do we go from here?