The system fails and throws the FRM-18105 error if it runs into any of these roadblocks:
FRM-18105: Failed to start the Help System. Form Builder 12.
Search for the variable or look to see if a help path variable is defined.
The Windows Registry or Oracle environment variables point to an incorrect directory for the FORMS_HELP path.
Ensure the data path points correctly to your actual Oracle Home directory. If the string is missing, you can right-click, select , name it FORMS_HELP , and set its value to the path of your Forms help directory (e.g., C:\Oracle\Middleware\Oracle_Home\forms\help ). Method 2: Check Environment Variables ( default.env ) frm18105 failed to start the help system fix
4. Run Post-Installation Scripts with Administrator Privileges
In the screen, look for FORMS_BUILDER_CLASSPATH . If it does not exist under System Variables, click New to create it.
Oracle Forms uses several COM DLLs to interface with the Windows help engine. If these DLLs are not registered, you’ll get frm18105 .
: Editing the registry incorrectly can damage your system. Back up the registry first. The system fails and throws the FRM-18105 error
Create a custom help button that calls HOST to open a .chm or .pdf file:
:
In your Forms application, the help system looks for a ( .hs ). Verify the configuration:
Use the button to shift this specific directory path to the very first position at the top of the list. Click OK to save and restart Oracle Forms Builder. The Windows Registry or Oracle environment variables point
This error occurs when the —either the legacy WinHelp ( .hlp ) or the newer Oracle Help for Java (OHJ, .jar ‑based)—cannot be launched from within a Forms application. Forms applications rely on this help system to display context‑sensitive documentation. If the help system fails to initialise, you see the error and no help window appears.
The Oracle Forms Builder relies on external Windows components and specific environment variables to launch its help files (typically .chm or .hlp formats). When you press F1 or click "Help Contents," the application triggers a system call.
Right-click the .chm files inside your Oracle Forms help directory, select , and check the Unblock box if it appears at the bottom of the General tab. Fix 3: Adjust Administrative Privileges and Compatibility