Hello friends,

Please tell me,how to solve 404 error ?

The  404 Not Found error message may be an (HTTP) normal response code, in computer network communications, that server not be able to find request page.
You can fix 404 error by these 4 ways:

1. Retry the webpage page by pressing F5, clicking/tapping the refresh/reload button, or attempting the computer address from the address bar once more.
2. Check for errors within the computer address.
3. Move up one directory level at a time within the computer address till you discover one thing.
4. Search for the page from a popular search engine.

Great solutions to solving 404 error. Thanks for sharing.

You can give redirection to 404 pages to the home page.

The HTTP 404 Not Found Error mean that the webpage you were making an attempt to succeed in couldn't be found on the server. it's a Client-side Error which mean that either the page has been removed or affected and therefore the uniform resource locator wasn't modified consequently, or that you just written within the ULR incorrectly.
Soft 404 could be a page that appears sort of a 404, however, returns an HTTP standing code two hundred.
How to Fix the 404 Not Found Error
Retry the online page by pressing F5, clicking/tapping the refresh/reload button, or making an attempt the URL from the address bar once more.
Check for errors within the ULR.
Move up one directory level at a time within the URL till you discover one thing.
Search for the page from a well kind search engine.
Clear your browser's cache
Change the DNS servers
Contact the web site directly.

404 error arises when a user visits a web page that doesn't exist. It's a client-side error which shows either the page has been erased or moved and the URL was not changed or that you typed in the URL incorrectly. 404 Error is an HTTP standard response code. It Indicates that a server is unable to respond to the client's request. In case if it has, rectify the links and use Robot.txt to avoid that broken link listing in SERP.