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Instructions @ ___ referencecd memory @_____


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#1 Chaseone

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Posted 08 February 2010 - 02:32 PM

I was shutting down my computer and this error message came up {The instruction @ "0x7c91b21a" referenced memory at "0x00000010". The memory could not be "written". Click OK to terminate program. Click Cancel to debug the program.} Aside from turning the computer off I was browsing the internet with little to no difficulty. I did remove a video conferencing program "PalTalk". Other then that I don't recall doing anything else. After I googled the problem one forum suggested to run Combofix due to it may be a Malware Problem. I did so but I am unskilled in reading its log. Wondering if someone can assist in interpreting the log that Combo fix created. If there are other ideas out there to address this issue I am all ears thanks!

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#2 cryptodan

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Posted 08 February 2010 - 02:43 PM

In my experience those issues come up with security programs blocking some access to a program, or permissions being broken. I hardly ever recall this issue being associated with a malware infection. Could have been a hidden popup trying to close. But if you must there is a forum called "Am I Infected?" you may want to post there.

#3 Broni

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Posted 08 February 2010 - 02:51 PM

The memory could not be "written" error is very often sign of an infection.
I'll ask mods to move this topic to appropriate forum.

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#4 cryptodan

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Posted 08 February 2010 - 02:57 PM

The memory could not be "written" error is very often sign of an infection.
I'll ask mods to move this topic to appropriate forum.


Do you have any evidence to back this up? I have seen this issue with video card drivers and games as well. It is not indicative of any sort of infection. A corrupted or poorly configured firewall will also present this same error. Its a bit early to jump the gun and blame a malware infection for this error.

#5 boopme

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Posted 08 February 2010 - 02:58 PM

Hello,I am moving this to the Am I Infected from this XP forum for now.

You will need to Download and Run DDS which will create a Pseudo HJT Report as part of its log..
If for some reason you cannot perform a step, move on to the next.
Please follow this guide. Preparation Guide For Use Before Using Hijackthis.
Include your ComboFix log.
Then go here HijackThis Logs and Virus/Trojan/Spyware/Malware Removal ,click New Topic,give it a relevant Title and post that complete log.

Let me know if it went OK.
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#6 Broni

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Posted 08 February 2010 - 03:01 PM

Do you have any evidence to back this up?

Yes, just search any malware forum on any board and you'll see a bunch of hits.

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#7 Chaseone

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Posted 08 February 2010 - 03:02 PM

Thank you all for your response I will do my best to utilize your assistance that was posted and get back to you all with a result.

#8 cryptodan

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Posted 08 February 2010 - 03:07 PM

Do you have any evidence to back this up?

Yes, just search any malware forum on any board and you'll see a bunch of hits.


Go to a bunch of gaming sites and do a search on this, and youll see that it isn't always an infection. Could be a newly installed program trying to access the internet, and a firewall isn't allowing it. Much like with the gaming software Steam. I have also seen this error come up with video card drivers after a game has quit due to the drivers being out of date.

#9 Broni

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Posted 08 February 2010 - 03:13 PM

I'm not going to argue here.
OP will run prescribed scans and it'll show what's going on.

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#10 Chaseone

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Posted 08 February 2010 - 05:15 PM

Hello,I am moving this to the Am I Infected from this XP forum for now.

You will need to Download and Run DDS which will create a Pseudo HJT Report as part of its log..
If for some reason you cannot perform a step, move on to the next.
Please follow this guide. Preparation Guide For Use Before Using Hijackthis.
Include your ComboFix log.
Then go here HijackThis Logs and Virus/Trojan/Spyware/Malware Removal ,click New Topic,give it a relevant Title and post that complete log.

Let me know if it went OK.



I did the scans and posted in the correct forum. I was unable to pull up my Combofix log . . . not sure if I saved it. I could run it again?

#11 Broni

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Posted 08 February 2010 - 05:24 PM

You need to start new topic in HijackThis Logs and Virus/Trojan/Spyware/Malware Removal and ask your question there.

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#12 Chaseone

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Posted 08 February 2010 - 06:59 PM

I have posted in the other forum.

#13 boopme

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Posted 08 February 2010 - 08:21 PM

Hello, Post is good. please do not run anything else until the HJT Team member contacts you and asks for it now. I combined your 2 posts there into one(see below).
Now that your log is properly posted, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

To avoid confusion, I am closing this topic.
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