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NX off on X64?


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#1
GrofLuigi

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I disabled it quite some time ago and forgot about it. I haven't noticed any problems with it, but I vaguely remember I read somewhere it was not recommended. Is it only for memory protection purposes, or (as I think I remember) it helps with PAE or AWE or whatever address translation is called on x64 (if it exists at all)...

 

Sorry for not being clear, but I am very convinced I read it is strongly recommended to not turn it off, and here is my OS, working around 6 months without any problems. Any comments?

 

Output of bcdedit:




Windows Boot Manager

--------------------

identifier {bootmgr}

device partition=C:

description Windows Boot Manager

locale en-US

inherit {globalsettings}

default {current}

resumeobject {ed361037-5239-11e1-b35a-8c185ebdf863}

displayorder {current}

toolsdisplayorder {memdiag}

timeout 30



Windows Boot Loader

-------------------

identifier {current}

device partition=C:

path \Windows\system32\winload.exe

description Windows 7

locale en-US

inherit {bootloadersettings}

recoverysequence {ed361039-5239-11e1-b35a-8c185ebdf863}

recoveryenabled Yes

osdevice partition=C:

systemroot \Windows

resumeobject {ed361037-5239-11e1-b35a-8c185ebdf863}

nx AlwaysOff

sos Yes

useplatformclock Yes



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#2
HarryTri

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NX or DEP is from preventing the execution of malicious code that can seize the whole memory. It renders a part of the memory for data storage only and if a program tries to execute code in it it just crushes. The only problem that I am aware of is with programs that doesn't respect the DEP restrictions (usually old ones).


I always love Windows XP!





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