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C:\WINDOWS\system32\rundll32.exe Application Not Found


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#1 334458091d

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Posted 12 April 2010 - 11:18 PM

OKay so awhile back I think I may have done something to my computer when I was infected with virus or trojan thing

Now im not able to open something on my control panel such as, "User Accounts" without this popping up, "C:\WINDOWS\system32\rundll32.exe Application Not Found"

I've been trying to figure it out and its really annoying because Its affecting my day to day use of my pc

for instance I tried downloading iTunes but it wont install properly because of this situation, I also cant open IE properly, I have to open it through my MSN.

So if any of you know a solution or knows what im going through please help me out.

Thanks a million

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#2 MrBruce1959

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Posted 12 April 2010 - 11:46 PM

Try running system file checker.

Here's how to run it http://www.bleepingcomputer.com/forums/t/43051/how-to-use-sfcexe-to-repair-system-files/
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#3 334458091d

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Posted 12 April 2010 - 11:57 PM

First of all, Thanks for responding to my question and trying to help

Second, I put SFC.EXE /SCANNOW into the RUN dialog thing and all that came up, was a "open with" window and told me to browse to open the program.

This is the exact problem i've been having trying to open anything

I want to open VLC Media PLayers, all of a sudden Open With appears

IDK whats going on

#4 334458091d

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Posted 13 April 2010 - 12:00 AM

OKay so I put SFC onto my desktop and when the openwith dialog appears I open it from the shortcut on my desktop

when i do that a black box appears for only a second then goes away really quickly. im pretty that box is supposed to ask me for my xp cd but it goes away quickly

#5 keyboardNinja

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Posted 13 April 2010 - 12:19 AM

The warning likely means your file associations are messed up.

You can download various file association fixes from here : http://www.dougknox.com/xp/file_assoc.htm
In using DougKnox fixes, first of all use the Zip file association fix. Press Ctrl-Alt-Del to open Task Manager, Choose New Task, type regedit.exe and press Enter to open the Registry Editor. In the Registry Editor, choose File > Import and select the Zip file association fix you downloaded zip_folder_fix.reg.
Similarly, next use the REG file fix. Then the EXE file fix and so on.
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#6 334458091d

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Posted 13 April 2010 - 12:35 AM

holy smokes this is actually working!!!

i can open all that stuff again!!! I just went to my control panel and I can access everything..thanks a million man!!

this solved everything i had trouble with (for now, and i hope for good)

I'll post back if i have any problems with this

but anyways


THANK YOU!

#7 keyboardNinja

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Posted 13 April 2010 - 12:42 AM

Glad to be of service. :thumbsup:
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#8 cryptodan

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Posted 13 April 2010 - 12:43 PM

Now that you can run applications again, I would highly suggest running MBAM and SAS and see if you are infected.

#9 keyboardNinja

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Posted 13 April 2010 - 02:14 PM

Now that you can run applications again, I would highly suggest running MBAM and SAS and see if you are infected.

I concur.

http://www.malwarebytes.org/

http://www.superantispyware.com/

Edited by keyboardNinja, 13 April 2010 - 02:14 PM.

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