Re: Logon Problem "Command Length is Incorrect"/Please Help

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: FrankV (FrankV_at_anonymous.address)
Date: 12/19/04 

Date: Sun, 19 Dec 2004 09:56:01 -0500

I found something similar to that "no payload, ie the file sizes of the
patches indicated a size of 0 kb" I think
in the Microsoft Knowledge Base http://support.microsoft.com/search/ but it
was quite a while ago. Go to it and search for it.

Frank

"Frank_tech" <Franktech@discussions.microsoft.com> wrote in message
news:DD61B0AA-BBC0-47FB-A839-4C8E43A6C67F@microsoft.com...
> Hi,
>
> My brother's PC(XP Home) has a problem when Logon is attempted..
>
> When I boot the machine, I'm presented with a Logon prompt to enter
> the password. When I supply the password the system responds:
>
> Logon Message
> "The system cannot log you on due to the following error:
> The program issued a command but the command length is incorrect."
>
> Note that this machine has always been configured to boot straight in
> to Windows without prompting for a password. Also, I tried booting into
> Safe Mode and logging on under both his account and as Administrator
> using the default password: blank. The same Logon message appears,
> "... The program issued a command but the command length is incorrect"
>
> The problem prevents all logon attempts!
>
> The last thing that was done to the machine before this issue, was a
> Windows
> Update scan/download/install of the 4 critical patches that were released
> on
> Tue. 12/14. The W.U. scan was unusual because it indicated that SP2 was
> also
> needed. (I had installed SP2 from the MS SP2 disk last week.) Also unusual
> was
> the 4 critical updates recomended seemed to have no payload, ie the file
> sizes of the patches indicated a size of 0 kb.
>
> I've searched this forum to see if others were reporting this problem and
> I
> did find other posts reffering to "The program issued a command
> but the command length is incorrect" message when attempting to logon.
> No-one however, had posted a solution to the problem.
>
> PS.
>
> I did a major cleanup/housekeeping job before installing SP2 last week.
> Antivirus Scans using AVG, AdawareSE, Spybot 1.3, cleanup of temp and
> cache.
> and defrag of the hard disk. I also created a fresh system restore point.
>
> Please Help, and Thank's Frank
>

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