While browsing the search results in google you would have seen many times the message – This site may harm your computer? below some websites description which is a message comming from a website called stopbadware.org which tries to warn and save your computers data from spyware, malware, and deceptive adware.
The above screenshot clearly shows how Google will show a warning message below the search results to make sure you dont enter the website and get attacked by spywares or adwares. When the link is clicked you wont be able to open the website but you will be directed to anothr warning screen but in no case the harmful website will open.
Now if you are the same website owner whose website shows these kind of message the only option you are left are :
If one of these sites downloads malicious software onto your computer, please read additional information about reporting these sites and removing the software from your system here – Google Info