WordPress Speed Up Service | WordPress Website Maintenance Packages Nothing works when I try to fix my internal server error!, by nanny2 I added in a plugin to my site and it caused an internal server error. I tried to uninstall all plugins, but I can’t even log into the site to uninstall them. I also don’t know how to find the FTP to get into my site, either. How can I fix this error? Nothing works when I try to fix my internal server error!