Turn off the DEP feature in Windows XP SP2
you can turn off the DEP feature. To do this, follow these steps:
1. Restart your computer.
2. During the restart process, press F8.
Note On a computer that is configured to start multiple operating systems, press F8 when the Startup menu appears.
3. Use the arrow keys to select a Safe Mode option, and then press ENTER.
4. Click Start, click Run, type cmd, and then click OK.
5. At the command prompt, type the following, and then press ENTER:
bootcfg /raw “/noexecute=alwaysoff /fastdetect” /id 1
Note If you have multiple start entries or start options, you may have to manually modify the Boot.ini file for your computer. To do this, follow these steps:
a. Click Start, click Run, type sysdm.cpl, and then click OK.
b. On the Advanced tab, under Startup and Recovery, click Settings.
c. In the Startup and Recovery dialog box, click Edit.
d. Change the /noexecute option to the following:
/noexecute=alwaysoff
e. On the File menu, click Save, and then click Exit.
f. Click OK two times.
6. Restart your computer.
for more information try MS
A detailed description of the Data Execution Prevention (DEP) feature in Windows XP Service Pack 2 and Windows XP Tablet PC Edition 2005 this is kb/875352
http://www.microsoft.com/windows/app...y/default.mspx