1. Click the 'Start' button in the Windows and select the 'Control Panel' option.
2. Click on the 'Performance and Maintenance' icon in the 'Control Panel' window.

3. Click on the 'System' icon to open the 'System Properties' window.
4. Click the 'Settings' button in the 'Performance' text box under the 'Advanced' tab.
5. Click on the 'Data Execution Prevention' tab in the 'Performance Options' window.
6. Select the 'Turn on DEP for all programs and services except for those I select' radio button and click the 'Add' button.
7. Locate and click on the 'ctfmon.exe' file in the 'C:\WINDOWS\system32' directory.
8. Click the 'OK' button to add the CTF loader to the DEP exclusion list.
9. Click the 'OK' button on all open dialog boxes to fix the CTF loader error message problem.