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5. Installation Troubleshooting

• 5.1. HelpSpot on IIS: Errors after a PHP upgrade when FastCGI impersonation is disabled
• 5.2. Upgrade Errors: "Command update is not defined" or Class Not Found
• 5.3. APP_URL is invalid
• 5.4. APP_KEY Missing during installation
• 5.5. Database Connection Error During Installation
• 5.6. Incorrect PHP Version
• 5.7. HelpSpot's 'storage' dir is not writable
• 5.8. Windows Virus Scanning Recommendations
• 5.9. Openssl_pkey_get_details() error when upgrading
• 5.10. Upgrade fails with "Tinker" / TinkerServiceProvider not found