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## C APEX Installation Troubleshooting

Learn about troubleshooting Oracle APEX Installation.

This section contains information on troubleshooting.

- Reviewing a Log of an Installation Session
  The `apexins.sql` script creates a log file in the `apex` directory using the naming convention `installYYYY-MM-DD_HH24-MI-SS.log`.
- Verifying the Validity of an APEX Installation
  Verify the validity of an Oracle APEX installation by running a query.
- Cleaning Up After a Failed Installation
  Learn about best practices for troubleshooting and cleaning up after a failed installation.
- About Images Displaying Incorrectly in APEX
  Learn about troubleshooting if images in Oracle APEX do not display correctly.
- About Page Protection Violation
  A page protection violation may be caused by manual alteration of protected page items.

See Also:

Upgrading from a Previous APEX Release