Exec(): 0509-036 Cannot load program

Last Published: April 25, 2020

Error Message

Running ArcIMS or ArcInfo Workstation on AIX 5.2 or AIX 5.3 without asynchronous I/O module enabled results in the following error:

"Exec(): 0509-036 Cannot load program."

** The information in this article pertains to both the platforms AIX 5.2 and AIX 5.3. **


The AIX 5.2 or AIX 5.3 asynchronous I/O module has not been loaded.

Solution or Workaround

Enable Asynchronous I/O as root user:

  1. Use SMIT and navigate to Devices > Asynchronous I/O > Asynchronous I/O (Legacy) > Change/Show Characteristics of Asynchronous I/O.
  2. Change 'STATE to be configured at system restart' from defined to available.
  3. Click OK and exit SMIT.
  4. Reboot the computer.

Article ID:000009202

  • Legacy Products

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