Application crashes on clicking Save Button

We are running RealBasic Application in Windows XP servicePack2 version(2002). We are able to launch the application and load some XML files. But, Once we click on Save button, application itself crashing . But the same application is working fine in Windows 7 , Windows 8 and few of windows XP system.

Please suggest a way to resolve this issue at the earliest.

a crash log would be useful if you can get one

Permissions on the XP sp2 machine?

Down load a version of RB and install it on the box. Load the project and debug it and see what the issue is?