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DLL problem

Old 09-04-05, 11:02 AM
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DLL problem

A friend's PC (running XP) started exhibiting the following problem I've been asked to diagnose:

Anytime an application is attempted to be opened, an "error opening RUNDLL" popup opens repeatedly - as in it never stops, just keeps opening popup after popup.

I took a look at it last night, and didn't see any rogue startup apps, etc. The users don't install a lot of software, and use a dial-up connection primarily for email, etc, so it's not like they're power users.

Any theories? Corrupt file? I don't even know where to start....

Last edited by Pointyskull; 09-04-05 at 12:29 PM.
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Old 09-04-05, 12:39 PM
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I believe that's usually due to a virus or spyware installing itself badly. It can be other things too, but I'd really look hard for virus/trojans and spyware.
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Old 09-04-05, 03:23 PM
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I suspect some type of parasite also. You can try to pinpoint the process using the rundll32 file by:

Click Start, Run and type CMD

Type the command given below exactly or
Copy and right click paste in the CMD window

WMIC /OUTPUT:C:\ProcessList.txt PROCESS get Caption,Commandline,Processid


WMIC /OUTPUT:C:\ProcessList.txt path win32_process get Caption,Processid,Commandline

Now, open the file C:\ProcessList.txt. You can see the details of all the processes in that file.

Some are legit "hooks" to the rundll32, so be careful
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