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Erro: rundll32.exe is not a valid Win32 application

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Anonymous
March 26, 2005 5:13:01 PM

Archived from groups: microsoft.public.windowsxp.help_and_support (More info?)

Got stumped again by some XP problem. Usually I scour the net and withing a
few hits I can find the solution to my problem, but this one has been keeping
me awake for the last 2 days.

I cannot run anything inside the control panel (Add/Remove Programs,
Internet Connection, Date/Time. etc). Every time I launch an icon, this
rundll32.exe is not a valid Win32 app error message pops up. I've copied my
rundll32.exe from my notebook to my System32 folder, but it still does the
error message. Strangely, I can launch the shortcut for the Add/Remove
Programs, Set Date/Time via the the control panel (cpl) file. It's time
consuming to do it that way, but the cpl files are not corrupted.

I'm thinking that there is a line missing in my registry (don't ask me
where). I have one back-up of my registry going back 2 months, but I hate to
have to restore the thing and then re-install all of my programs. Likewise,
doing a comparison between the two is impossible as well. It's over 134GB in
size. Not to mention the numerous [CSLID-...] strings.

Does anyone have any idea how to quick fix this problem?

Thanks,

NVBB
Anonymous
March 27, 2005 5:58:17 AM

Archived from groups: microsoft.public.windowsxp.help_and_support (More info?)

Well I sure hope that it was a major typo that your registry files are 134GB
in size.

As for your problem I have encountered it several time before and have
always found that a repair installation is the easiest way to go.

The repair will replace the core operating system files but will leave your
files and settings intact.

http://support.microsoft.com/kb/315341

--
Regards

Greg Palmer
MS-MVP Windows (Shell/User)

"NVBB" <NVBB@discussions.microsoft.com> wrote in message
news:8AD31D81-890E-481D-802F-231E023C8D11@microsoft.com...
> Got stumped again by some XP problem. Usually I scour the net and withing
> a
> few hits I can find the solution to my problem, but this one has been
> keeping
> me awake for the last 2 days.
>
> I cannot run anything inside the control panel (Add/Remove Programs,
> Internet Connection, Date/Time. etc). Every time I launch an icon, this
> rundll32.exe is not a valid Win32 app error message pops up. I've copied
> my
> rundll32.exe from my notebook to my System32 folder, but it still does the
> error message. Strangely, I can launch the shortcut for the Add/Remove
> Programs, Set Date/Time via the the control panel (cpl) file. It's time
> consuming to do it that way, but the cpl files are not corrupted.
>
> I'm thinking that there is a line missing in my registry (don't ask me
> where). I have one back-up of my registry going back 2 months, but I hate
> to
> have to restore the thing and then re-install all of my programs.
> Likewise,
> doing a comparison between the two is impossible as well. It's over 134GB
> in
> size. Not to mention the numerous [CSLID-...] strings.
>
> Does anyone have any idea how to quick fix this problem?
>
> Thanks,
>
> NVBB
!