Frm18105 Failed To Start The Help System Fix File

How to Fix the "FRM-18105: Failed to start the help system" Error

Could you please help me resolve this issue? I'd appreciate any guidance or a fix. frm18105 failed to start the help system fix

Windows Vista

However, Microsoft discontinued native WinHelp support starting with and removed it entirely in Windows 10 and 11 . When your legacy app tries to call a help file that no longer exists in the OS, the Forms runtime throws error frm18105 . How to Fix the "FRM-18105: Failed to start

If using Oracle 10g/11g Forms on Windows: Map the drive – Use a mapped drive letter (e

Map the drive – Use a mapped drive letter (e.g., S:\) instead of a UNC path (\\server\share) in your FORMS_PATH.
Permissions – The Windows user running Forms must have Read & Execute on the .hlp file and List Folder on its directory.

Timeout – Increase SMB timeout:

reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v SessTimeout /t REG_DWORD /d 60 /f

Local copy – As a test, copy the .hlp locally (e.g., C:\temp) and point FORMS_PATH there. If help works, the network is the issue.

FRM-18105: Failed to start the help system

The error has plagued Oracle Forms developers for nearly two decades, but it is entirely fixable. The solution depends entirely on your environment:

Note the exact filename, e.g., myapp.hlp, user_guide.chm, or ohj.jar.

Press Win + R, type regedit, press Enter.
Navigate to: HKEY_CLASSES_ROOT\.hlp
Ensure the (Default) value is hlpfile.
Navigate to: HKEY_CLASSES_ROOT\hlpfile\shell\open\command
Set (Default) to: "C:\Windows\winhlp32.exe" "%1"
Close regedit and restart Forms.