"This program cannot display the webpage" virus is a search result which performs the result after you have a search on Google Chrome/ Internet Explorer/ Firefox. It seems an error for browsing online. But please stay calm, it is a virus presenting to mislead you. Generally speaking, it can modify browser setting and replace them with its incorrect alert. But innocent PC users are easily duped with this fake information and turn into panic.
“This program cannot display the webpage” Virus Removal Guide/ Tips for Redirect Virus Removal