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Re: Windows XP Home machine login problem

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Pegasus (MVP)

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Mar 19, 2006, 8:21:26 AM3/19/06
to

"Bharani" <Bha...@discussions.microsoft.com> wrote in message
news:0821416F-4EBF-4909...@microsoft.com...
> User unable to logon to a Windows XP Home machine because the machine
boots
> into the welcome screen but doesn't show any user name to "click and
logon".
> can somebody please help to resolve this issue.
> Information about machine:
> Machine was completely re formatted and fresh installation of windows XP
> Home edition updated with SP2 and latest updates.
>
> Thank You
> Bharani

Now that's three posts within half a day with the same symptoms.
See the unresolved post "Missing usernames home edition" in this
newsgroup. I really wonder if there is a new virus out there.


Maurice N ~ MVP

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Mar 19, 2006, 8:20:41 AM3/19/06
to
Was it set to automatically login without a password? or what?
I'd suggest restarting the pc, tap F8 during power up, to get selective startup & select Safe mode.
Then login as "administrator". Then go to Control Panel > User accounts > Change the way users log on or off.
Select "Use the welcome screen". Apply changes. Logoff & restart into normal mode.
--
Maurice N
MVP Windows - Shell / User
-----

Malke

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Mar 19, 2006, 8:50:47 AM3/19/06
to
Pegasus (MVP) wrote:

Or another variant of some of our favorite malware. Canaries in the coal
mine, eh? Only way to tell would be to go through malware scans from
the commandline/run box or with a Bart's PE or ERD Commander utility.

Malke
--
MS-MVP Windows User/Shell
Elephant Boy Computers
www.elephantboycomputers.com
"Don't Panic"

Malke

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Mar 19, 2006, 3:12:30 PM3/19/06
to
Jerry wrote:

> I have the same problem since January '06. I have reformated 3 times
> and still randomly get the same repeated problem. I, too, am looking
> for help from someone. As usual, Microsoft has no idea.
>

If you have had this problem since January and "reformatted" 3 times and
still have random errors, you probably have hardware failure. Since
you've had the problem for so long without being able to fix it, the
best course of action would be for you to take the machine to a
professional computer repair shop (not your local version of
BigStoreUSA).

Malke

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Mar 19, 2006, 7:18:21 PM3/19/06
to
Bharani wrote:

> Thanks for the help guys. But i have tried all the means of booting
> and then logging on but no luck. I would give you a breif history
> about the machine
> hopefully that will give you guys a better idea,
>
> On 15-Mar-06 while booting the machine gave a error "
> C:\windows\system32\config\system" failed please user CD to recover by
> pressing R. so restored the SYSTEM file from the recovery CD. Then
> machine would boot and then display the 4 exsisting usernames on the
> screen, you can click them and enter the password but once you click
> OK. It would display "loading your settings" as usual but immediately
> say "saving your settings" and then followed by "logging off". Finally
> would return back to the Welcome screen.
>
> If i used the CTRL+ALT+DEL method then I would get the logon display
> box but no use since any username and password i try will fail with a
> message saying " you cannot logon due to your account restriction"
> even with the administrator. Got very upset with this issue.
>
> So copied the data to another HDD and then decided to completely
> reformat the hard drive and re installed Windows XP Home. Installed
> SP2 and completed microsoft updates, All was fine tillthe next day
> when the machine boots to welcome screen no user name will be
> displayed to logon so tried the CTRL+ALT+DEL trick still no luck.
>

Since you did a clean install and presumably did not install any
malware, your computer is probably experiencing hardware problems. Here
are some general hardware troubleshooting steps:

http://www.elephantboycomputers.com/page2.html#Hardware_Troubleshooting

Testing hardware failures often involves swapping out suspected parts
with known-good parts. If you can't do the testing yourself and/or are
uncomfortable opening your computer, take the machine to a professional
computer repair shop (not your local equivalent of BigStoreUSA).

Bharani

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Mar 19, 2006, 10:24:27 PM3/19/06
to
Thnaks Malke for the reply, But i don't understand why you want me to do a
hradware test as the machine boots till the welcome screen properly and shuts
down properly doesn't freeze or do anything like that!!!!!!!!!! The machine
was running perfectly well till 15-mar-06.

The machine is useless because it doesn't let any user to logon even the
administrator. i only suspect it to be a virus or malware that has taken
control of the user accounts and blocking them.

Bharani

Roberto

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Mar 20, 2006, 4:29:50 AM3/20/06
to
"Bharani" <Bha...@discussions.microsoft.com> wrote in message
news:E4E5814B-46BE-44C6...@microsoft.com...

> Thnaks Malke for the reply, But i don't understand why you want me to do a
> hradware test as the machine boots till the welcome screen properly and
> shuts
> down properly doesn't freeze or do anything like that!!!!!!!!!! The
> machine
> was running perfectly well till 15-mar-06.
>
> The machine is useless because it doesn't let any user to logon even the
> administrator. i only suspect it to be a virus or malware that has taken
> control of the user accounts and blocking them.
>
> Bharani

You apppear to have a corrupt registry, test the following

1. RAM
2..HDD/

rgds
Roberto


Bharani

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Mar 20, 2006, 10:05:47 AM3/20/06
to
No it wasn't set to login automatically. Only one user was created but
without any password. So when the machine boots it will display the username
and then the user clicks it to go to the desktop. this was the normal
procedure after the Fresh installation. But now when the system boots it
doesn't show any username in the welcome screen. Even if i try to logon using
the CTRL+ALT+DEL method it doesn't let me logon.

Bharani

Maurice N ~ MVP

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Mar 20, 2006, 8:04:28 PM3/20/06
to
Have you tried to boot up selectively into Safe Mode, as per my last post? If not, do so. If you have tried it, did you look at User Accounts in Control Panel?

Axalon

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Mar 20, 2006, 10:54:42 PM3/20/06
to
There appears to be an issue with either McAffee AV, or the AOL/built
in ISP AV programs getting a bad update and quarantining a few
windows files during the boot scan. If you run the System Restore
from the Recovery Console, you can revert the system, and then reload
the AV or ISP software, and rin the update. There looks to be a new,
revamped update for it.

Hope this helps.

Maurice N ~ MVP

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Mar 21, 2006, 12:57:36 AM3/21/06
to
Give more detail ! What do you see in there? Can you get to a usable desktop state?
or are you saying you cannot do anything in Safe Mode? meaning it is stuck while in Safe mode?

If stuck, try pressing CTRL+ALT+DEL to see if that gets it to a user-login prompt (maybe).

--
Maurice N
MVP Windows - Shell / User
-----


Bharani wrote:
> Even when i try to boot in safe mode i don't get any usernames in the
> welcome screen.

Pegasus (MVP)

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Mar 21, 2006, 2:04:26 AM3/21/06
to

"Bharani" <Bha...@discussions.microsoft.com> wrote in message
news:5C4FBA48-E815-4E74...@microsoft.com...
> When i boot the machine either in normal mode or safe mode, the machine
boots
> normally until it reaches the welcome screen.
> In the welcome screen there are no user names displayed. so i can't logon
> from there. If i try a pres CTRL+ALT+DEL i get the user prompt but it
doesn't
> accept any username password configuration that where originally setup in
the
> machine including the "administrator" account.
>
> The only thing that i can do from the welcome screen is to shutdown the
> machine using the red shutdown icon at the bottom left corner of the
screen.
> When i do that the machine shuts down perfectly.
>
> Bharani
>
http://home.eunet.no/~pnordahl/ntpasswd/bootdisk.html


Bharani

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Mar 21, 2006, 5:19:10 AM3/21/06
to
Hi thanks for the link. Used the CD to boot and select the option to edit
usernames and passwords......i get a result saying " Cannot find usernames in
the registry" and then asks me to enter the username, i went with the default
name "Administrator". When i did that i get a message saying " Cannot find
value <\SAM\Domains\Accounts\Users\Names\Administrator\@>"

So i rebooted the machine with the same CD that you suggested and selected
option "1 - to reset passwords, and then selected option "3 - Recoveryconsole
Settings" result was " ERROR: SOFTWARE-hive not loaded"


I think the user data in the registry has been attacked??

Bharani

Pegasus (MVP)

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Mar 21, 2006, 5:41:13 AM3/21/06
to
Maybe your registry got hacked, maybe corrupted - who knows?
Do you have a firewall?

Under Win2000 I could rename the SAM file to something
else, thus removing all accounts. On the next boot I could
log on as Administrator with a blank password. I do not know
if this trick works under WinXP.

Here are a few methods to rename the SAM file:
- If your system partition is FAT32: Boot with a Win98 boot disk.
- Boot into the Recovery Console.
- Boot with a Bart PE CD.
- Temporarily run the disk as a slave disk in some other
Win2000/XP PC.

Making a Bart PE CD is a somewhat time-consuming exercise
but it's a terrific CD that I could not do without.


"Bharani" <Bha...@discussions.microsoft.com> wrote in message

news:CE092152-F946-42D5...@microsoft.com...

Bharani

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Mar 21, 2006, 6:11:29 AM3/21/06
to
Ok i have a BART PE CD so i can use that to boot the machine. the SAM file
you are mentioning is it the one in C:\WINDOWS\system32\config?

Bharani

Pegasus (MVP)

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Mar 21, 2006, 6:19:58 AM3/21/06
to
Yes.

Did you check for the existence of backup registry
files in c:\windows\repair?


"Bharani" <Bha...@discussions.microsoft.com> wrote in message

news:BC8BB395-77E5-47D9...@microsoft.com...

Bharani

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Mar 21, 2006, 7:13:27 AM3/21/06
to
I renamed the SAM file and rebooted the machine while windows was starting
it gave an error with the window title as "lsass.exe" a device has been
disconnected causing the user accounts.........click OK to reboot go into
safe mode and repair it.

Then i copied the SAM,SECURITY, SYSTEM, DEFAULT, SOFTWARE files from the
c:\windows\repair to pasted them in c:\windows\system32\config. After this
rebooted the machine still no change the machine boots but no usernames are
being displayed.

Bharani

Pegasus (MVP)

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Mar 21, 2006, 7:34:02 AM3/21/06
to
I thought your biggest problem was no so much the
lack of displayed user names but your inability to log
on after pressing Ctrl+Alt+Del twice?


"Bharani" <Bha...@discussions.microsoft.com> wrote in message

news:228CBDAB-B852-4744...@microsoft.com...

Pegasus (MVP)

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Mar 21, 2006, 7:35:10 AM3/21/06
to
You should also check the date of the registry files you
retrieved from the Repair folder and compare it with
the date when your problems started.


coal_...@hotmail.com

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Mar 21, 2006, 3:53:34 PM3/21/06
to
Greetings,

If the admin pass is lost or forgotten then Active@ Password Changer
utility can be used to reset it. That is a really mighty tool, it never
failed me before and worked simply great. I suppose you definately try
it out.

http://www.password-changer.com/

Andy

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Mar 21, 2006, 4:10:27 PM3/21/06
to
This may be overly simplistic, but the pc said --"loading your settings" and
then "saving your settings" -- then eventually went back to the Welcome
screen. Do you suppose it has deleted the place it would normally save the
setting and doesn't know how to recreate it?

Andy Humbird-Stout


"Bharani" wrote:

> Thanks for the help guys. But i have tried all the means of booting and then
> logging on but no luck. I would give you a breif history about the machine
> hopefully that will give you guys a better idea,
>
> On 15-Mar-06 while booting the machine gave a error "
> C:\windows\system32\config\system" failed please user CD to recover by
> pressing R. so restored the SYSTEM file from the recovery CD. Then machine
> would boot and then display the 4 exsisting usernames on the screen, you can
> click them and enter the password but once you click OK. It would display
> "loading your settings" as usual but immediately say "saving your settings"
> and then followed by "logging off". Finally would return back to the Welcome
> screen.
>
> If i used the CTRL+ALT+DEL method then I would get the logon display box but
> no use since any username and password i try will fail with a message saying
> " you cannot logon due to your account restriction" even with the
> administrator. Got very upset with this issue.
>
> So copied the data to another HDD and then decided to completely reformat
> the hard drive and re installed Windows XP Home. Installed SP2 and completed
> microsoft updates, All was fine tillthe next day when the machine boots to
> welcome screen no user name will be displayed to logon so tried the
> CTRL+ALT+DEL trick still no luck.
>

> Now the machine is useless
>
> Bharani
>
>

Daniel Rudolph

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Mar 21, 2006, 6:21:59 PM3/21/06
to
I have been just going through the same problem as you (no login
buttons....) and have come up with a solution that fixed my HP Laptop.
Using the Bart PE cd referenced in your earlier posts, I was able to
boot the Laptop and work on the file system.

Using the assumption that the SAM file was corrupted, I replaced the 5
registry files in the C:\windows\system32\config directory with a set of
files from the system volume information (system recovery folder)
snapshot folder (picking a date from about 10 days ago. The basic file
replacement procedures is listed in the
http://support.microsoft.com/?kbid=307545 document. The only shortcut
that I used was to not bother to copy from the C:\windows\repair folder,
and just go right to the system restore images of the 5 files.

By the way, the old sam (bad) file was about 250k, and the new one from
the system restore folder was about 24k.

Dan

Axalon

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Mar 22, 2006, 1:37:22 AM3/22/06
to
A large part of the problem is that this bad update ends up corrupting
the hive files and also identifying several windows files as suspect,
and therefore disables tehm on the startup scan. Since the
quarantined files are needed for bootup the system freezes at the
Welcome screen but does not give any user options, and simply waits
for input that it will never allow itself to receive. CTRL + ALT +
DEL will not work to unlock things.


Again, I strongly recommend running a system restore from the recovery
console to regain access to your computer and then to run an update on
your security software.

Axalon

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Mar 22, 2006, 1:37:22 AM3/22/06
to
You can also run a repair install of XP to get yourself back on track.
This won't cause you to lose any data (although you may need to look
for it since it might wind up in a backup folder on the HDD).

I hope this helps

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