The exact directory path pointing to online_help\oracle_forms is missing in the Windows Registry.
The installation completed, but the required post-installation "Configuration" step ( config_builder.cmd ) was skipped or lacked elevated privileges.
: HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_ frm-18105 failed to start the help system
Fixing this error involves correcting the misconfigured classpath strings, ensuring correct Oracle Home mapping, or adjusting installation permissions. 🛠️ Common Causes of FRM-18105 Detailed Description
Classpath entries point to a legacy or deleted Oracle Home path instead of the current one. set the variable name to FORMS_BUILDER_CLASSPATH
If it exists, ensure the paths are correct and match the values in your Windows Registry. If it does not exist, click , set the variable name to FORMS_BUILDER_CLASSPATH , and input your correct Oracle Home paths. 3. Re-run the Builder Configuration with Elevated Rights
Under , locate the Path variable and select Edit . ensuring correct Oracle Home mapping
Verify that the following directory string is appended to the path:
(Ensure you replace C:\Oracle\Middleware with the exact directory of your Oracle Middleware installation).
Most occurrences of happen because the Windows Registry path is missing or points to a legacy directory.