Cannot Boot to Windows

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jeffshort

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Mar 31, 2004
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55
When I try to boot my computer up, I get a missing component warning 'lsass.exe' and cannot find 'lsasrv.dll'. I am running XP Pro.
 

JSntgRvr

José
Retired Moderator and Malware Specialist
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18,552
Hi, jeffshort :)

Boot the computer with the Windows XP Professional XP and bring the computer to the Recovery Console. If you downloaded update KB924270 you may be able to recover by typing the following at the prompt: (Assuming Windows is installd in Drive C:)
Code:
Attrib -r -h C:\WINDOWS\$hf_mig$
Attrib -r -h C:\WINDOWS\$hf_mig$\KB924270
Attrib -r -h -s C:\Windows\System32\lsasrv.dll
Ren C:\Windows\System32\lsasrv.dll C:\Windows\System32\lsasrv.old (If missing you will receive an error. Disregard that error and continue.)
Copy /Q C:\WINDOWS\$hf_mig$\KB924270\SP2QFE\lsasrv.dll C:\Windows\System32\lsasrv.dll
Attrib +r +h C:\WINDOWS\$hf_mig$\KB924270
Attrib +r +h C:\WINDOWS\$hf_mig$
Exit
Keep us posted.
 

jeffshort

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Mar 31, 2004
Messages
55
When I try to enter this, I get "The parameter is not valid. Try /? for help."
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
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Messages
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Hi, jeffshort :)

Chances are that you did not leave the correspoding spaces. Try again using the code below:(The spaces are indicated as [Space] . Do not include [Space] in your coding.)

Code:
Attrib[Space]-r[Space]-h[Space]C:\WINDOWS\$hf_mig$
Attrib[Space]-r[Space]-h[Space]C:\WINDOWS\$hf_mig$\KB924270
Attrib[Space]-r[Space]-h[Space]-s[Space]C:\Windows\System32\lsasrv.dll
Ren[Space]C:\Windows\System32\lsasrv.dll[Space]C:\Windows\System32\lsasrv.old
Copy[Space]/Q[Space]C:\WINDOWS\$hf_mig$\KB924270\SP2QFE\lsasrv.dll[Space]C:\Windows\System32\lsasrv.dll
Attrib[Space]+r[Space]+h[Space]C:\WINDOWS\$hf_mig$\KB924270
Attrib[Space]+r[Space]+h[Space]C:\WINDOWS\$hf_mig$
Also you must include the underscore in $hf_mig$ I have tested the code. You shouldn't have a problem. Is there a floppy disk drive in your computer?

Keep me posted.
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
Jul 1, 2003
Messages
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Hi, jeffshort :)

Here is a longshot:

Type this at the prompt:

Expand X:\i386\lsasrv.dl_ C:\Windows\System32\lsasrv.dll

Where X is the assigned letter to your CD_ROM. To find out wich letter is your CD_ROM, type MAP and press Enter. The command above with the spaces is as follows:

Expand[Space]X:\i386\lsasrv.dl_[Space]C:\Windows\System32\lsasrv.dll

That one will extract a copy of your Installation CD into the System32 folder, although it will be an older version.

Type Exit to restart the computer.
 

jeffshort

Thread Starter
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Mar 31, 2004
Messages
55
I tried the Expand and it said 'Unable to create file lsasrv.dll'. I tried the other code again and got 'The parameter is not valid' again.
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
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Messages
18,552
Try the following variations:

CD System32
Rename lsasrv.dll lsasrv.old
Copy /Y C:\WINDOWS\$hf_mig$\KB924270\SP2QFE\lsasrv.dll
Exit


CD System32
Rename lsasrv.dll lsasrv.old
Expand -r X:\i386\lsasrv.dl_ C:\Windows\System32\lsasrv.dll
Exit


Where X is the drive letter of the CD_ROM

The name of the file is LSASRV.DLL. The first letter is L.
 

jeffshort

Thread Starter
Joined
Mar 31, 2004
Messages
55
The first option gave the message, 'The system cannot find the file or directory specified.'

The second gave, 'The parameter is not valid.'

Am I going to have to do a format and reinstall of Windows?
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
Jul 1, 2003
Messages
18,552
Hi, jeffshort :)

Am I going to have to do a format and reinstall of Windows?
There is no need if we are able to copy this file to the right directory.

I don't know if you have a floppy disk drive. I am enclosing a copy of the file in a compressed form. You can save and extract this file on the desktop of the computer you are communicating with us, then tranfer the .dll file to a floppy disk and from there to the troubled computer by typing the following command at the Recovery Console command prompt:

CD SYSTEM32
COPY /Y A:\LSASRV.DLL
EXIT

Or try the following command again:

CD SYSTEM32
RENAME LSASRV.DLL LSASRV.OLD
EXPAND X:\i386\LSASRV.DL_ C:\Windows\System32\LSASRV.DLL
EXPAND[Space]X:\i386\LSASRV.DL_[Space]C:\Windows\System32\LSASRV.DLL
Exit

You have to make sure you are using the right syntax. Forward slash "/" or Back slash "\", and observe the spaces left in the command. The file is compressed in the Installation CD as LSASRV.DL_. It ends with an underscore.

Keep me posted.
 

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jeffshort

Thread Starter
Joined
Mar 31, 2004
Messages
55
OK, that copy worked. The computer restarted and gave me 2 errors--logonui.exe and winlogon.exe. The computer restarted and ran CHKDSK. It reported and error with index $I30. During the CHKDSK it reports an unexpected error and reboots. Then the whole process repeats . . .
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
Jul 1, 2003
Messages
18,552
Hi, jeffshort :)

Chances are that the Hard Drive is having problems. Can you boot in Safe Mode without the CHKDSK loop?
 

jeffshort

Thread Starter
Joined
Mar 31, 2004
Messages
55
No, when I try to boot to safemode it just stalls out before loading and quits responding.
 

JSntgRvr

José
Retired Moderator and Malware Specialist
Joined
Jul 1, 2003
Messages
18,552
Hello, jeffshort :)

The only way we can stop CHKDSK is throughout a registry modificaton. Lets disable the file, and see if you can abort the process.

Bring the Recovery Console and at the prompt type the following:

CD SYSTEM32
REN CHKDSK.EXE CHKDSK.OLD
EXIT

Keep me posted.
 
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