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do you have a .htaccess file in the root ? &nbsp; It might be &nbsp;a .htaccess rule causing the problem. Check &nbsp;this, access your server using FTP &nbsp;and rename the .htaccess file to something completely different and retry.<br />
<br />
Or are you running Wordpress? <br />
<br />
If you are using wordpress , the Internal server error ( 500) is sometimes caused by a plugin or theme function conflict, so if you have access to your admin panel, try deactivating all plugins, reactivate each one individually until you find the cause.
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do you have a .htaccess file in the root ?   It might be  a .htaccess rule causing the problem. Check  this, access your server using FTP  and rename the .htaccess file to something completely different and retry.

Or are you running Wordpress?

If you are using wordpress , the Internal server error ( 500) is sometimes caused by a plugin or theme function conflict, so if you have access to your admin panel, try deactivating all plugins, reactivate each one individually until you find the cause.

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<div class="content wysiwyg-content">
Dear All,<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;My website usually has error with &quot;<b>Bad gateway 500</b>&quot;. Is this problem about PHP code or another aspects ? <br />
<br />
Please give me a solution for above problem.<br />
<br />
Thanks advance,<br />
<br />
LDVHai
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Dear All,

         My website usually has error with "Bad gateway 500". Is this problem about PHP code or another aspects ? 

Please give me a solution for above problem.

Thanks advance,

LDVHai

Bad gateway 500 from website !

Web applications are systems that run in browsers that perform functions normally associated with other client-based programs. One of the most commonly used web applications is email; instead of downloading individual emails to a local machine, the data is shown through a website. Other examples of web applications are collaborative systems like a wiki or an online game.

Web Applications

A web application framework (WAF) is a software framework that is designed to support the development of dynamic websites, web applications, web services and web resources. The framework aims to alleviate the overhead associated with common activities performed in web development. Most common web application frameworks are defined by specific subsets, including ASP.NET, JaveEE, Symfony, ColdFusion Language (CFML), Laravel, jQuery and AngularJS, or for the related languages, including .NET, PHP, JavaScript, Java, Perl, Python, Ruby, C++ and C.