Windows Legacy OS forum

General discussion

csrss.exe error message

by Wakenaam / August 24, 2005 7:17 AM PDT

My Friends: I am running Windows XP Pro. Something is wrong with my computer because it keeps triggering the following error message on start-up: "csrss.exe application cannot be run in Win32 mode". I run McAffee and AVG antiviruses every day. I tried running Spybot and AdAware, same problem. Any suggestions how I may fix this? Thanks

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Make sure
by MarkFlax Forum moderator / August 24, 2005 8:42 AM PDT

you do "not" have a csrss.exe in your Windows folder.

The only one(s) you should have will be in;

C:\Windows\System32 , and possibly in
C:\I386, and
C:\Windows\$NTServicePackUninstall$, and
C:\Windows\ServicePackFiles\i386 folders.

If you have one in C:\Windows, you have a virus, such as the Trojan.Gutta or W32.Netsky.AB@mm or W32.Buchon.A@mm or Backdoor.Botnachala virus.

If you are having problems running McAfee or AVG, go to this Symantec web site for details how to tackle this. Where Symantec talks about re-loading Nortons AV and updating the definitions, substitute your own AV for that.

Google suggests that you have posted about this problem in other forums;

Look at this site;
for more details on csrss.exe. Select C at the top, scroll down to csrss.exe.


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Csrss.exe & troj_agent.ariy
by neoniko / October 7, 2008 5:38 AM PDT
In reply to: Make sure

I'm also having a similar problem. Expect the path name is different as well it saying troj_agent.ariy is present. I've researched and can't find anything related to that virus. Any clues?

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Replying to 3 year old thread?
by MarkFlax Forum moderator / October 7, 2008 6:55 AM PDT

You're lucky I was just passing by and called in. Many would have kept on going.

What happened when you tried the options in my previous post?


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File Information - How to remove csrss.exe error problem //
by prafullpraf / November 10, 2008 10:07 PM PST

File Information - How to remove csrss.exe error problem // csrss.exe error message -Windows Xp //csrss.exe error message [RESOLVED]

csrss.exe problem and one of the solution how to solve this..

Hi Friends...This Is Prafull
I had a virus on my computer a while ago and I deleted it usign a virus scanner. Ever sicne that day, everytime I log onto Windows XP Professional SP2, it comes up with a message saying:
"C:\WINDOWS\Config\csrss.exe is missing. Try doing a search."
I did a search and it found csrss.exe but it was actually in C:\WINDOWS\System32\csrss.exe.

ANSWER : Solutio

From what a google search tells me this is an issue with a virus trying to add itself to the shell key in the registry.

As for copying the file over, not a good idea. Will probably just give you another error.

So do the following to remove it:

* Click Start>Run/

* Type regedit and press enter.


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by alpi77 / May 16, 2009 7:19 PM PDT

Prafullpraf thanks a lot. I?ve had this problem with csrss.exe for months. Nothing worked. Tryed yours solution - works like a charm!

No more stupid error messeges.

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