A list of common issues that people have while installing the software.
You will need to upgrade your PHP to the minimum required version or higher. If you do not manage your own server, you can ask your server administrator or hosting provider to do this for you. Sometimes, the hosting provider will support multiple versions of PHP. We recommend using the latest version available. If they say that you're using a version higher than PHP 5.4.0, then ask them if you need to "add a handler for that version". Follow their instructions.
If after installation your vBulletin looks like a plain white page with no formatting and none of the links are working, this means that URL Rewriting is not operational. To fix this choose the appropriate step.
# In some cases where you have other mod_rewrite rules, you may need to remove the comment on the following # line and change it to match your folder name. This resets the other mod_rewrite rules for just this directory # If your site was www.example.com/forum, the setting would be /forum/ #RewriteBase /