Errors in configuration files or the Windows Registry can prevent the Java Virtual Machine (JVM) from launching the help system:

: Locate the Builder Config script ( builder_config.cmd or similar) inside your installation media or %ORACLE_HOME%\bin . Right-click it and select Run as administrator .

Performing a clean reinstallation on a virtual machine (VM) can be a particularly effective way to isolate the issue if you need to preserve other software on your main workstation.