| Action | Command / Path |
|--------|----------------|
| Check help file exists | dir %ORACLE_HOME%\help\frmhelp.* |
| Install WinHlp32.exe | Microsoft download |
| Registry HELP_PATH | regedit → HELP_PATH |
| Run as admin | Right-click exe |
| Re-register DLLs | regsvr32 hhctrl.ocx |
For Oracle Forms 6i/9i/10g (using .hlp):
For newer versions (using .chm):
For developers who need to debug the error in real-time:
Enable Forms runtime tracing:
Example trace output:
HELP: Attempting to open file: C:\ORACLE\BIN\forms.hlp
HELP: CreateProcess failed with error 2 (File not found)
→ This means the file is missing.
Or:
CreateProcess failed with error 5 (Access denied)
→ Permission issue.
Sysinternals Process Monitor (procmon) can also capture winhlp32.exe launch attempts. frm18105 failed to start the help system fix
If using Oracle 10g/11g Forms on Windows:
cd %ORACLE_HOME%\bin
rmreg.exe -r
regsvr32 %ORACLE_HOME%\bin\ohj.dll
# Set environment
export ORACLE_HOME=/u01/app/oracle/product/12.2.1.3
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-i386
export CLASSPATH=$ORACLE_HOME/forms/java/ohj.jar:$ORACLE_HOME/forms/java/frmhelp.jar