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"Data Execution Prevention" errors from applications that never had them


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#1 duckne55

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Posted 28 February 2010 - 08:36 AM

so it happened one day... what do?
im running Vista Home Premium SP1 if thats any help (probably not) so i thought i might turn DEP off to see it might solve the problem, but i couldn't turn it off. it wanted me to run bcdedit.exe with administrator privileges, which i did but the only thing that happened was the command prompt popping up for a split second.
examples of applications are: Windows Live Messenger, windows updater (these 2 happened once), JavaUpdater, and some stuff i forgot.

i bookmarked this so i should respond relatively fast.

EDIT:
oops, what actually happens is like this:
1. attempts to run application
2. said application does not respond! oh noes!
3. said application is said to crash due to DEP
4. said application is unable to work at all even after reinstalls, multiple restarts, etc.

Edited by duckne55, 28 February 2010 - 08:44 AM.


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#2 Doug E Fresh

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Posted 28 February 2010 - 10:03 AM

You're running Vista SP1? Do you ever update it? If not you probably should. Or do you have 64-bit Vista? In which case I don't know why you'd be having memory problems. How much RAM do you have ect.?

Take a look at this link for an explanation. Before you try something like this I'd recommend making sure your system is up to date. Also make sure there aren't a bunch of programs running in the background taking up resources, as it sounds like this might be a memory issue.

#3 duckne55

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Posted 01 March 2010 - 04:30 AM

memory problem? most certainly not...
Posted Image
and i think it had tried to update to SP2 before but failed hmm (it auto updates)... the plot thickens...
shall try to update again and see what happens.

#4 duckne55

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Posted 02 March 2010 - 06:46 AM

well i applied SP2 and am still getting the same error :huh:
and bump.

#5 duckne55

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Posted 06 March 2010 - 07:23 AM

bump, this is really driving me nuts, i cant flash my N95 firmware either D:
or at least direct me to somewhere/someone

#6 Platypus

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Posted 06 March 2010 - 08:53 AM

memory problem? most certainly not...

Why would you say that? DEP marks memory containing data as non-executable. If faulty memory in the executable area where application code is running causes an address to be corrupted, the program could incorrectly try to execute an address in the data area. With DEP, this generates a predictable DEP error. Prior to DEP or with DEP turned off, the results are unpredictable - a blue screen, lockup or enabling of a malware exploit. A rigorous memory test could confirm or eliminate this as a possibility.

Also, since it could be malware attempting a data execution, have you thoroughly scanned the system for malware?
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#7 duckne55

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Posted 06 March 2010 - 11:37 PM

yeah i scanned the other day with Avira, nothing.
and i can't turn off DEP:
Posted Image
the option is greyed out.
how would I perform a memory test?

#8 Platypus

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Posted 06 March 2010 - 11:48 PM

Since you're using Vista, you could try out the Memory Diagnostic Tool:

http://www.bleepingcomputer.com/forums/t/300842/help-identifying-3-processes/
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#9 duckne55

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Posted 07 March 2010 - 09:10 AM

zilch, no memory errors. (tested on all default settings)

#10 cryptodan

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Posted 07 March 2010 - 11:39 AM

Try http://www.memtest86.com their memory test is the only I trust.

#11 duckne55

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Posted 11 March 2010 - 06:23 AM

sry for late reply, was hoping for something else. will do it tomorrow.

#12 duckne55

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Posted 13 March 2010 - 09:25 AM

don't have a floppy drive (can't use the V3.5 as i have 4gb of memory)
now what?

#13 cryptodan

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Posted 13 March 2010 - 02:49 PM

You can use v3.5, and I Have 4Gigs of RAM I have used it before. You can burn the ISO to a CD and boot off of it.

#14 duckne55

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Posted 18 March 2010 - 11:52 PM

sorry again, apparently my dad sent it for repair :/ so its ok now i guess...




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