Troubleshooting Installation Issues
Occasionally, issues may arise during the installation of WHMCS. Below are some common installation issues and troubleshooting steps.
When the WHMCS Installer becomes stuck on Step 4, this almost always is a result of not meeting the WHMCS System Requirements. Most commonly, this happens when the PHP memory_limit value is less than 64MB. Please ensure your PHP is properly configured to support requirements in the document linked above.