Ans - 404 is an error message seen on a Web page or website to indicate a requested URL have not found on a server. Its is show because if you enter the wrong URL on a webpage or website, the server automatically redirects to on a home page. If you requested page has not found on this website/server then you see this error, It can't affect your mobile or pc, or It is not a virus that can affect your device or system. It's just a small error message appear because of if you enter the wrong URL or if you redirect on the wrong page which not exits on your system.
Ans - If you redirect on the 404 pages or any other page then there are some tips to fix the 404 error from the all SMO -
1) try to enter the correct URL because if you enter the wrong URL then you can redirect to 404-page or on another page.
2) you can simply ignore this error because it is just a small error it can not affect your any activity you surf on the all SMO website.so you can simply ignore this error if you get this 404 error then you can open all SMO again and then try to surf.
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