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turning off DEP


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#1 Chinmoy

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Posted 18 March 2008 - 05:13 AM

DEP or data execution prevention is an annoying windows service which prevents code execution from a non-executable memory region. This prevets buffer overflow and also fixes some games like age of mythology. But in many cases it ends up annoyingly interfering with some softwares where DEP turns the process off and the software revives it back causing the system to loo indefinitely until truncated. Also there is no handy option to turn off DEP by a simple check/uncheck.
So here is a step by step guide to turn off DEP.
This process involves editing the boot file. A restore point is recommended to be created.

1>>Right click your my computer.


2>>Goto the advanced tab.


3>>Goto settings for startup and recovery.


4>>Press the edit button in the system startup area to get the boot.ini file.


5>>Look for "...NoExecute=OptIn" or anything similar.


6>>Edit it to "...NoExecute=AlwaysOff". DO NOT LEAVE ANY SPACES ANYWHERE.


7>>Save changes to boot.ini and restart.


8>>Go to step 2.


9>>Go to settings in performance area.


10>>Goto the data execution prevention tab.It should look like the last image.

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#2 Guest_Kaabi_*

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Posted 26 May 2008 - 06:10 AM

If I ever need to use this, now I know!
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#3 TcM

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Posted 26 May 2008 - 08:17 AM

I can't actually understand what this is...
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#4 Xav

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Posted 26 May 2008 - 09:09 AM

DEP or data execution prevention is an annoying windows service which prevents code execution from a non-executable memory region.


That.
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#5 TcM

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Posted 26 May 2008 - 09:22 AM

You think I can't read? I still don't know what that is supposed to do.
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#6 Xav

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Posted 26 May 2008 - 09:22 AM

Er, neither do I.
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#7 Chinmoy

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Posted 26 May 2008 - 09:25 PM

This feature available from SP2 causes some aplications like cursorXP and cdilla-license management to run into an infinite termination and restart mode which hangs up the computer eventually. That is what it does. Whether you face this prblem or nt depends on the array of softwares you use and the amount of tweaking you can manage without any software help.
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#8 Xav

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Posted 27 May 2008 - 05:16 AM

Ohhh... I see now. Thanks for the info.
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