my iSilo for Mac OS X always crashed. (No problem on windows opening the same file)

[khun_ponk]

Below is the stack trace collected today, it happens very often especially when i resize the windows by dragging the lower right corner to make bigger screen.

Process: iSilo [1752]
Path: /Applications/iSilo.app/Contents/MacOS/iSilo
Identifier: com.dcco.app.iSilo
Version: ??? (5.12)
Code Type: X86 (Native)
Parent Process: launchd [170]

Date/Time: 2010-06-23 00:15:03.807 +0700
OS Version: Mac OS X 10.6.4 (10F569)
Report Version: 6

Interval Since Last Report: 79842 sec
Crashes Since Last Report: 5
Per-App Interval Since Last Report: 54 sec
Per-App Crashes Since Last Report: 2
Anonymous UUID: 68D7D43B-11CE-4615-A7D5-18C457DA2B5C

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 4

Due to the textbox limitation, pls see the attached .txt file for full stack trace.