Troubleshooting Installation Issues
Occasionally, issues may arise during the installation of WHMCS. Below are some common installation issues and troubleshooting steps.
Installer Stuck on Step 4
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.