Oracle Forms uses environment variables to locate help files. The exact variable depends on your version:
Open a command prompt as admin and run:
The error has plagued Oracle Forms developers for nearly two decades, but it is entirely fixable. The solution depends entirely on your environment: frm18105 failed to start the help system fix
For .chm files, ensure hh.exe (HTML Help Executable) is present in C:\Windows\System32 . Oracle Forms uses environment variables to locate help files
You are not alone. This frustrating runtime error has plagued Oracle Forms developers and end-users for nearly two decades. If you have just clicked on a Help button or pressed F1 inside an Oracle Forms application (EBS, Oracle Apps, or a custom-built form) only to be met with the pop-up stating "FRM18105: Failed to start the help system," your workflow has just hit a brick wall. You are not alone