Use 301 redirect.It will solve your problem permanently.
Use 301 redirect.It will solve your problem permanently.
In the following way you can solve the 404 error pages there are press F5 key to refresh page check whether working or not,check the errors in the url,clear the browser cache..
Use WordPress to design your website, it will have perfect solution to overcome 401 and we can design our own customized 401 pages.
While it's normal to have Not Found (404) errors, you'll want to address errors for important pages linked to by other sites, older URLs you had in your sitemap and have since deleted, misspelled URLs for important pages, or URLs of popular pages that no longer exist on your site. This way, the information that you care about can be easily accessed by Google and your visitors.
First confirmed that URL is not broken.
then you should try this: -
Move up one directory level at a time in the URL until you find something.
For example, if www.web.com/a/b/c.htm gave you the 404 Not Found the error, move up to www.web.com/a/b/. If you get nothing here (or an error), move up to www.web.com/a/. This should lead you toward what you're looking for or at least confirm that it's no longer available.
Retry the web page by pressing F5, clicking the refresh/reload button, or trying the URL from the address bar again.
While it's normal to have Not Found (404) errors, you'll want to address errors for important pages linked to by other sites, older URLs you had in your sitemap and have since deleted, misspelled URLs for important pages, or URLs of popular pages that no longer exist on your site. This way, the information that you care about can be easily accessed by Google and your visitors.
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