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Wordpress very slow and 500 error on adding new theme



I am using the Economy Windows Hosting with Plesk, and just added a wordpress 4.7.1 without adding any contents or add-ins yet. However, the wordpress website has been very slow response - I can feel that it's much slower than access the other webpage. When I tried to use admin site to install a new theme, it always gave this 500 error, even if I installed the ones that are coming with Wordpress (e.g., Biznez lite) and didn't upload a new one.


I called the tech support, who claimed that he could not find anything wrong with the server so that this must be something wrong with wordpress (which I installed directly from Godaddy), and he has done everything he can but there is nothing he can change. I honestly thought that the wordpress is coming with the hosting so that I can directly use it. Could you please let me know what I should do in this case - I can't cancel the web hosting, but without wordpress I will not be able to use this hosting. Thank you very much!


Here is the detailed error message after I tried to install a new theme:


Installation failed: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" ""> IIS 8.5 Detailed Error - 500.0 - Internal Server Error <!-- body{margin:0;font-size:.7em;font-family:Verdana,Arial,Helvetica,sans-serif;} code{margin:0;color:#006600;font-size:1.1em;font-weight:bold;} .config_source code{font-size:.8em;color:#000000;} pre{margin:0;font-size:1.4em;word-wrap:break-word;} ul,ol{margin:10px 0 10px 5px;} ul.first,ol.first{margin-top:5px;} fieldset{padding:0 15px 10px 15px;word-break:break-all;} .summary-container fieldset{padding-bottom:5px;margin-top:4px;}{padding:2px 15px 4px 10px;margin:0 0 0 -12px;} legend{color:#333333;;margin:4px 0 8px -12px;_margin-top:0px; font-weight:bold;font-size:1em;} a:link,a:visited{color:#007EFF;font-weight:bold;} a:hover{text-decoration:none;} h1{font-size:2.4em;margin:0;color:#FFF;} h2{font-size:1.7em;margin:0;color:#CC0000;} h3{font-size:1.4em;margin:10px 0 0 0;color:#CC0000;} h4{font-size:1.2em;margin:10px 0 5px 0; }#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS",Verdana,sans-serif; color:#FFF;background-color:#5C87B2; }#content{margin:0 0 0 2%;position:relative;} .summary-container,.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;} .content-container p{margin:0 0 10px 0; }#details-left{width:35%;float:left;margin-right:2%; }#details-right{width:63%;float:left;overflow:hidden; }#server_version{width:96%;_height:1px;min-height:1px;margin:0 0 5px 0;padding:11px 2% 8px 2%;color:#FFFFFF; background-color:#5A7FA5;border-bottom:1px solid #C1CFDD;border-top:1px solid #4A6C8E;font-weight:normal; font-size:1em;color:#FFF;text-align:right; }#server_version p{margin:5px 0;} table{margin:4px 0 4px 0;width:100%;border:none;} td,th{vertical-align:top;padding:3px 0;text-align:left;font-weight:normal;border:none;} th{width:30%;text-align:right;padding-right:2%;font-weight:bold;} thead th{background-color:#ebebeb;width:25%; }#details-right th{width:20%;} table tr.alt td,table tr.alt th{} .highlight-code{color:#CC0000;font-weight:bold;font-style:italic;} .clear{clear:both;} .preferred{padding:0 5px 2px 5px;font-weight:normal;background:#006633;color:#FFF;font-size:.8em;} --> HTTP Error 500.0 - Internal Server Error C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP54\php-cgi.exe - The FastCGI process exceeded configured activity timeout Most likely causes: IIS received the request; however, an internal error occurred during the processing of the request. The root cause of this error depends on which module handles the request and what was happening in the worker process when this error occurred. IIS was not able to access the web.config file for the Web site or application. This can occur if the NTFS permissions are set incorrectly. IIS was not able to process configuration for the Web site or application. The authenticated user does not have permission to use this DLL. The request is mapped to a managed handler but the .NET Extensibility Feature is not installed. Things you can try: Ensure that the NTFS permissions for the web.config file are correct and allow access to the Web server's machine account. Check the event logs to see if any additional information was logged. Verify the permissions for the DLL. Install the .NET Extensibility feature if the request is mapped to a managed handler. Create a tracing rule to track failed requests for this HTTP status code. For more information about creating a tracing rule for failed requests, click here. Detailed Error Information: Module&nbsp;&nbsp;&nbsp;FastCgiModule Notification&nbsp;&nbsp;&nbsp;ExecuteRequestHandler Handler&nbsp;&nbsp;&nbsp;PHP-php Error Code&nbsp;&nbsp;&nbsp;0x80070102 Requested URL&nbsp;&nbsp;&nbsp; Physical Path&nbsp;&nbsp;&nbsp;G:\PleskVhosts\\httpdocs\wordpress\wp-admin\admin-ajax.php Logon Method&nbsp;&nbsp;&nbsp;Anonymous Logon User&nbsp;&nbsp;&nbsp;Anonymous More Information: This error means that there was a problem while processing the request. The request was received by the Web server, but during processing a fatal error occurred, causing the 500 error. View more information &raquo; Microsoft Knowledge Base Articles: 294807


Community Manager
Community Manager

Re: Wordpress very slow and 500 error on adding new theme

Hi @PineLiu. Thanks for being part of GoDaddy Community! The error appears to be related to FastCGI. 


The FastCGI process exceeded configured activity timeout...

In looking through the suggested causes, they all seem to hinge on the application trying to access something that it doesn't have access to. My first suggestion would be to consider moving to a Linux based plan (cPanel or Managed WordPress). Linux is usually a better environment for PHP applications. Touch base with support to see about getting a refund or credit to help with the switch. If that's not possible, you may want to enlist the aid of a web developer that is knowledgeable in using PHP on IIS systems. 


JesseW - GoDaddy | Community Manager | 24/7 support available at | Remember to choose a solution and give kudos.