You will need
  • - ability to work with the console;
  • - knowledge of commands to disable DEP.
Disabling DEP is justified in that case, if your computer has a robust antivirus and not less quality firewall. In some cases it is not enough to disable DEP completely, and to change the settings of this function. Go to "control Panel", then open the menu "Properties" - "Advanced". Find the section "Performance" click "Settings" and select the tab "data execution Prevention". To change the DEP settings, you will need the administrator password.
To completely disable DEP in Windows XP, you must edit the boot file.ini located in the root part of the boot disk. Edit it in two ways. First: turn on the display of system files to do this, open properties of any folder – Tools - "folder options" - "View". Activate the radio button "Show hidden files and folders", then locate the line "Hide protected operating system files", remove checkbox, and click OK.
Open the file boot.ini, find the noexecute option and change it to noexecute=AlwaysOff. Save the changes and restart the computer. Now, DEP is always turned off.
In the second option you can change the boot.through ini editing of boot options and recovery. Open "control Panel", select from the list the string "System", then select "Advanced". In the section "startup and recovery" click "Settings". Then in the new window, click "edit". Edit the file boot.ini and save the changes.
If you are using Windows 7, disabling DEP can perform following method. First, start a command prompt (console), click the "start" button and in the search box type cmd, then right click mouse and run as administrator. In the opened console window, type: bcdedit.exe /set {current} nx AlwaysOff, check command and press Enter. Then restart the computer. DEP will be disabled for the entire system.