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RunDLL error on start up for one user - how to remove

Posted on 2010-09-02
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Last Modified: 2012-06-21
Hi,
On a Dell Vista laptop with parental controls enabled, the childs user account on start up gives the following message:

RunDLL
Error Loading C:\Users\Username\AppData\Local\Temp\__c0041573.dat
The specified module could not be found.

I do not know how to stop this.

can't see anything obvious in msconfig. Ran hijack this, no nasties listed on that website which analyises it. Run CC cleaner (all of these done from a different administrator account) cleaned out everything and no problems no longer found.

Do note the issue account is standard user rather then an administrator (as used by a 12 year old)
Any input appreciated.
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Question by:afflik1923
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Expert Comment

by:karephre
ID: 33585474
By the sound of it, you have actually removed some malware but not cleaned up completely. I just had a similar problem with a client's XP machine with an "XP Antiguard" infection, post-removal.

The fact that rundll can't find the onyc.ffo file is probably a good sign.
To prevent the annoying error, restore your registry setting to the correct value here:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell
this should have a value of "Explorer.exe"

(at the moment yours probably reads something like "Shell" = Explorer.exe rundll32.exe onyc.ffo hgikqnb )
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Author Comment

by:afflik1923
ID: 33585780
remember it only havppens for one user. Wouldn't the registry change effect all users?
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Author Comment

by:afflik1923
ID: 33585800
also note it does hve a value of just exlorer.exe already
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karephre earned 500 total points
ID: 33585904
try this
HKEY_CURRENT_USER> SOFTWARE> Microsoft> Windows> CurrentVersion> RUN

Delete anything dealing with the error location.

NOTE: it is good practices to backup your registry before removing anything.
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Author Closing Comment

by:afflik1923
ID: 33586426
Brilliant!
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