Question about Microsoft Windows XP Professional With Servise Pack 2 (e8503040) for PC

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Sam Yes I want to know about this that your talking about the sam file so can I rename the sam file on the pc I need help with or like you said something about HDD what is that ?

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passwords to any of the administrative accounts and needed administrative access:

Boot to a windows boot disk and mount the NTFS partition using NTFSDOS if needed.
Rename the SAM.* file to anything memorable to you
Reboot the system and login as 'administrator' with a blank password.
Create a batch file with the following lines:
net user newuser newpass /ADD
net localgroup /ADD administrators newuser

Save that .bat file and then schedule it with the AT command for 10 minutes into the future
Reboot the system with the boot disk and delete the SAM.* file
Rename the original SAM back to SAM.*
Reboot and wait 10 -15 minutes to give your batch file a chance to execute
Log on as 'newuser' and you're in business

Posted on Jun 17, 2008

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Posted on Jan 02, 2017

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I have windows vista 32bit OS. After doing windows updates. My computer doesnt work anymore. Is there A way to reset my computer back SINCE I can no longer boot up in safe mode or regulare mode.


Tough problem. You need to get that disk into another computer first then:
From your working Windows installation navigate to the Windows\System32\config folder on his drive and rename or *move* the following files out of the System32\config folder:
DEFAULT SECURITY SOFTWARE SYSTEM SAM
The files can be renamed with a .old extension or to eliminate clutter they can (should) be moved to another temp location.
Now, navigate to the System Volume Information folder on his drive, inside which you will fing a _restore{... folder which contains Restore Point folders numbered as such: RP1, RP2, RP3... Select the newest RP folder and inside that folder you will find a "Snapshot" folder the containing a backup of the registry hives. Copy the following files from the snapshot folder to the System32\config folder, making sure to rename them to the same names as the files they will be replacing:
Rename _REGISTRY_USER_.DEFAULT to DEFAULT • Rename _REGISTRY_MACHINE_SECURITY to SECURITY • Rename _REGISTRY_MACHINE_SOFTWARE to SOFTWARE • Rename _REGISTRY_MACHINE_SYSTEM to SYSTEM • Rename _REGISTRY_MACHINE_SAM to SAM
That may permit you to boot the computer, if it does boot to finish the repair do a System Restore to the newest available point.
Good Luck!!

Hope this information will help.
Your response is very much appreciated. Thank you for using Fixya...

Sep 28, 2011 | Gateway Computers & Internet

Tip

All about Windows SAM file


<b>Section 1 : General Information</b><br /> As you may or may not know, all of the passwords on a Windows XP computer are stored in a SAM File. This file is located on your computer's hard drive in the directory "C:WINDOWSSystem32Config" The file's name is SAM, obviously. Now, you may be thinking, "Wow, this was incredibly easy, I just right click the file, and click send to a floppy or where ever. Well, unfortunately, it isn't that simple. I will detail the various methods of getting the SAM file in the next section.<br /> <br /> <b>Section 2 : Obtaining the SAM file</b><br /> In the previous section, I discussed where the SAM file was found. As you may have found out, when you attempt to copy this file, you get a nasty error saying something along the lines of "Access is denied. File is in use." The SAM file is in use by the system, so you cannot just go to task manager, and end the process. You need to find alternate methods of starting up the computer without using the SAM file. As far as I know, this can be done several ways. <br /> <br /> Booting the computer up into Linux using a boot CD or floppy is one method. To use this method, you will need a Linux Boot CD, and access to BIOS. If you don't have access to BIOS then consult one of the many tutorials on the web on how to crack the BIOS password. <br /> <br /> To make a bootable Linux CD, you have to find a version of Linux, which can be burned and run off a CD (To find these, consult my links, or search google). This should be relatively easy to find. Next you need some kind of burning software, which allows you to burn an image onto a CD (Consult Links, or search google). This a bit harder to find for free, but a demo works just fine. After you have these, burn the image to the CD. You now have a Linux Boot CD.<br /> <br /> Now to alter the BIOS settings, so that you can boot into Linux from the CD. Shut down your computer, and during the start up screen, you should see a notice to press F1 or F8 (Maybe a different key) to enter Boot setup. Press it. This will take you into the BIOS, however, if there is a password on the BIOS, then you have to consult an article about cracking BIOS passwords. Next go to Boot Order and change the CD drive to first. Save your changes, insert your Linux CD and exit. Let the system boot up. It should boot into Linux if you did everything correctly. Now all you have to do is insert a blank floppy, and copy the SAM file to it, since it is not in use anymore because Windows is not running. Congratulations, you now have the SAM file. Be sure to get the SYSTEM file in the same directory as well, as some passwords are encrypted with keys from within that file.<br /> <br /> Another, somewhat easier way of obtaining the files is using a MSDOS boot disk. This method doesn't require you to go looking for some software, or using special burning software. Just insert a floppy, right click on it in My Computer, and click on format floppy. When the menu appears, mark the box for "Create a MS-DOS startup boot disk", and then click the start button. After you have made your disk, restart your computer with the disk still in the drive. Make sure you BIOS settings boot from the floppy drive before the hard-drive. When the computer boots, you should se a screen similar to that I command prompt. "A:&gt;" is most likely the prompt you will see. First you need to change drives to the c drive. This is done various ways on different computers. "cd C:" or "C:" usually work. Next you will need to use the copy command to copy the SAM and SYSTEM files to other areas of the hard drive. The syntax for the copy command is as follows without the quotes : "C:Copy (file to be copied) (destination)" so the correct command which will get the file for you is "C:Copy C:WINDOWSSystem32ConfigSAM C:" This will copy the SAM file to the C drive. Replace "SAM" with "SYSTEM" to get the system file. Next you might want to rename these files. This is the syntax for the Rename command : "C:ren (file to be renamed) (new file name)". The command, which will rename your files for you, will be "C:ren C:SAM Whatever" if you saved it to the C drive. This will rename you SAM file to Whatever. Now restart your computer without the boot disk in and start up windows. Copy the files onto a floppy. Note : you may have to zip it as the SYSTEM file is pretty big. The reason these methods work, are because the SAM file is not in use when you aren't running Windows, and when u copied and renamed the file, it did not get used by windows when you logged on. Now on to the easy part, cracking the SAM file.<br /> <br /> <b>Section 3 : Cracking the SAM file</b><br /> There is a wealth of programs available that will crack the SAM file for you. You can also attempt to crack it by hand. I having neither the time nor the skill required to do this, used a program. Some programs I recommend are SAMinside, which unfortunately costs money, Proactive Windows Security Explorer, which actually can import the SAM file from memory, so you will not need to obtain it by yourself if you are doing this on your home computer, and of course CAIN and ABEL will do the trick as well. Most of these programs test about 4 to 5 million passwords per second, at least on my machine, so if the password if below 7 characters, it should be able to crack it in one day. However, if the password is 7 or more characters in length, then it will take a substantial amount of time. When I did this, my password was 7 characters in length and it took my computer just over 3 days to crack it.

on Dec 24, 2010 | Computers & Internet

Tip

HOW TO GET ANY WINDOWS PASSWORD


here are the full details.....
this works whether its windows 2000 or windows xp or windows xp SP1 or SP2 or windows server 2003....
this works even if syskey encryption is employed...
if it is FAT filesystem...
just copy the sam file like stated in the first post to an empty floppy disk and take it home. I'll tell u what to do with it later... DON'T DELETE THE ORIGINAL SAM FILE. just remove its attributes. the sam file is a file called SAM with no extension. YOU MUST ALSO GET.... a file called SYSTEM which is in the same folder as SAM. both files have no extensions...
if it is NTFS....
u have to download a program called NTFSPro.... it allows u to read from ntfs drives... the demo version allows read only. the full version is read-write.... you use the program to create an unbootable disk (so u will still need another bootable disk and an empty disk) that has the required files to access NTFS.
use the boot disk to get into dos, then use the disks created with ntfspro to be able to access the filesystem, then copy the SAM and SYSTEM files to another empty disk to take home....
AT HOME: u have to get a program called SAMInside. it doesn't matter if it is demo version. SAMInside will open the SAM file and extract all the user account information and their passwords, including administrator. SAMInside will ask for the SYSTEM file too if the computer you took the SAM file from has syskey enabled. syskey encrypts the SAM file. SAMInside uses SYSTEM file to decrypt the SAM file. After SAMInside finishes, u still see user accounts and hashes beside them. the hashes are the encoded passwords. Use SAMInside to export the accounts and their hashes as a pwdump file into another program, called LophtCrack. it is currently in version 5, it is named LC5. the previous version, LC4 is just as good. u need the full or cracked version of the program. LC5 uses a brute force method by trying all possible combinations of letters numbers, and unprintable characters to find the correct password from the hashes in the pwdump file imported into it from SAMInside. This process of trying all passwords might take 5 minutes if the password is easy, up to a year if the password is long and hard (really really hard). LC5 howver, unlike LC4, is almost 100 times faster. both can be configured to try dictionary and common words before using all possible combinations of everything. Once the correct password is found, it will display the passwords in clear beside each account, including administrator.
I use this method so many times. I've compromised the whole school computer infrastructure. LC4 usually took between 1 second and 10 minutes to find the passwords because they were common words found in any english dictionary. I haven't used LC5 yet.
If there is anything unclear, anything I overlooked, plz tell me so that I can turn this into a very easy to follow tutorial to help anybody crack any windowz pass.
Programs needed: SAMInside (doesn't matter which version or if demo)
LC4 or LC5 (lophtcrack)( must be full version)
NTFSPro (doesn't matter if demo)
any bootdisk maker
Cracked or full version software can be found on any warez site. If u don"t know what that is or where to get the programs, post a message and I'll tell u or give them to u.
P.S: I might not keep track of this forum, because I'm going to create a new topic and post tutorial there. if u want to post, plz post there.

on Mar 06, 2010 | Computers & Internet

2 Answers

Hp paviliondv2050us wont start


To complete part one, follow these steps:
  1. Insert the Windows XP startup disk into the floppy disk drive, or insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.
    Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted to do so.
  2. When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
  3. If you have a dual-boot or multiple-boot computer, select the installation that you want to access from the Recovery Console.
  4. When you are prompted to do so, type the Administrator password. If the administrator password is blank, just press ENTER.
  5. At the Recovery Console command prompt, type the following lines, pressing ENTER after you type each line: md tmp
    copy c:\windows\system32\config\system c:\windows\tmp\system.bak
    copy c:\windows\system32\config\software c:\windows\tmp\software.bak
    copy c:\windows\system32\config\sam c:\windows\tmp\sam.bak
    copy c:\windows\system32\config\security c:\windows\tmp\security.bak
    copy c:\windows\system32\config\default c:\windows\tmp\default.bak

    delete c:\windows\system32\config\system
    delete c:\windows\system32\config\software
    delete c:\windows\system32\config\sam
    delete c:\windows\system32\config\security
    delete c:\windows\system32\config\default

    copy c:\windows\repair\system c:\windows\system32\config\system
    copy c:\windows\repair\software c:\windows\system32\config\software
    copy c:\windows\repair\sam c:\windows\system32\config\sam
    copy c:\windows\repair\security c:\windows\system32\config\security
    copy c:\windows\repair\default c:\windows\system32\config\default
  6. Type exit to quit Recovery Console. Your computer will restart.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder. Make sure to change it is a different location.

If you have access to another computer, to save time, you can copy the text in step five, and then create a text file called "Regcopy1.txt" (for example). To use this file, run the following command when you start in Recovery Console: batch regcopy1.txtWith the batch command in Recovery Console, you can process all the commands in a text file sequentially. When you use the batch command, you do not have to manually type as many commands. Part two loadTOCNode(3, 'moreinformation'); To complete the procedure described in this section, you must be logged on as an administrator, or an administrative user (a user who has an account in the Administrators group). If you are using Windows XP Home Edition, you can log on as an administrative user. If you log on as an administrator, you must first start Windows XP Home Edition in Safe mode. To start the Windows XP Home Edition computer in Safe mode, follow these steps.
  1. Click Start, click Shut Down (or click Turn Off Computer), click Restart, and then click OK (or click Restart).
  2. Press the F8 key.

    On a computer that is configured to start to multiple operating systems, you can press F8 when you see the Startup menu.
  3. Use the arrow keys to select the appropriate Safe mode option, and then press ENTER.
  4. If you have a dual-boot or multiple-boot system, use the arrow keys to select the installation that you want to access, and then press ENTER.
In part two, you copy the registry files from their backed up location by using System Restore. This folder is not available in Recovery Console. Before you start this procedure, you must change several settings to make the folder visible:
  1. Start Windows Explorer.
  2. On the Tools menu, click Folder options.
  3. Click the View tab.
  4. Under Hidden files and folders, click to select Show hidden files and folders, and then click to clear the Hide protected operating system files (Recommended) check box.
  5. Click Yes when the dialog box that confirms that you want to display these files appears.
  6. Double-click the drive where you installed Windows XP to display a list of the folders. If is important to click the correct drive.
  7. Open the System Volume Information folder. This folder is unavailable and appears dimmed because it is set as a super-hidden folder.
  8. Open a folder that was not created at the current time. You may have to click Details on the View menu to see when these folders were created. There may be one or more folders starting with "RPx under this folder. These are restore points.
  9. Open one of these folders to locate a Snapshot subfolder. The following path is an example of a folder path to the Snapshot folder: C:\System Volume Information\_restore{D86480E3-73EF-47BC-A0EB-A81BE6EE3ED8}\RP1\Snapshot
  10. From the Snapshot folder, copy the following files to the C:\Windows\Tmp folder:
    • _REGISTRY_USER_.DEFAULT
    • _REGISTRY_MACHINE_SECURITY
    • _REGISTRY_MACHINE_SOFTWARE
    • _REGISTRY_MACHINE_SYSTEM
    • _REGISTRY_MACHINE_SAM
  11. Rename the files in the C:\Windows\Tmp folder as follows:
    • Rename _REGISTRY_USER_.DEFAULT to DEFAULT
    • Rename _REGISTRY_MACHINE_SECURITY to SECURITY
    • Rename _REGISTRY_MACHINE_SOFTWARE to SOFTWARE
    • Rename _REGISTRY_MACHINE_SYSTEM to SYSTEM
    • Rename _REGISTRY_MACHINE_SAM to SAM
These files are the backed up registry files from System Restore. .

Part Three loadTOCNode(3, 'moreinformation'); In part three, you delete the existing registry files, and then copy the System Restore Registry files to the C:\Windows\System32\Config folder:
  1. Start Recovery Console.
  2. At the command prompt, type the following lines, pressing ENTER after you type each line: del c:\windows\system32\config\sam

    del c:\windows\system32\config\security

    del c:\windows\system32\config\software

    del c:\windows\system32\config\default

    del c:\windows\system32\config\system

    copy c:\windows\tmp\software c:\windows\system32\config\software

    copy c:\windows\tmp\system c:\windows\system32\config\system

    copy c:\windows\tmp\sam c:\windows\system32\config\sam

    copy c:\windows\tmp\security c:\windows\system32\config\security

    copy c:\windows\tmp\default c:\windows\system32\config\default
    Note Some of these command lines may be wrapped for readability.
  3. Type exit to quit Recovery Console. Your computer restarts.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder.

If you have access to another computer, to save time, you can copy the text in step two, and then create a text file called "Regcopy2.txt" (for example). To use this file, run the following command when you start in Recovery Console:
batch regcopy2.txt Part Four Click Start, and click All Programs. Click Accessories, click System Tools. Click System Restore, click Restore to a previous RestorePoint.

Jul 21, 2009 | Computers & Internet

4 Answers

Forget windowxp password


you can search for a password boot disk which will disable the administrator password.

There are dozens of these types of programs but one program I recommend is windows password reset 6.0
http://www.resetwindowspassword.com

Download the iso file and burn it to a disk to create the boot disk, that simple.

Configure your pc or laptop to boot in the cd drive,

Insert the CD and it would boot then just disable the password and restart.

Took about 5 minutes for the whole process.

Jun 08, 2009 | Dell Dimension 2400 PC Desktop

Tip

Get in windows 2000 as Administrator.> > NOTE: Requires a boot disk. > > Get...


Get in windows 2000 as Administrator.>
> NOTE: Requires a boot disk.
>
> Get the command prompt and go to C:\winnt\sytem32\config\ and do
the following commands:
> attrib -a -r -h
> copy sam.* a:\
> del Sam.*
>
> reboot the computer. there should be no administrator password.
just put in administrator and hit enter. replace the sam files to
restore the password to hide intrusion.


on Dec 08, 2009 | Computers & Internet

2 Answers

Computer won't take my password or security question




i) in window's xp you have an option of recovering forgotten or lost password, but in the case of vista it is not possible to bring back therecover password.

ii) so instead messing with password recovery softwares, try reinstall or reaload OS or format ur system or reload OS Freshly....


Try this:

i) Attach your HDD(Hard disk drive) to different Computer and browse through your disk(ur C Drive or Hard disk)then do the following task:

Rename your SAM File located in \windows\system32\config\SAM to SAM1
Copy SAM from \windows\repair\SAM and paste it in \windows\system32\config\SAM
Attach back again to your computer and it will work with blank administrator password. means logging in to admin account without password...


Thanking you

M. Sridhar

Jan 01, 2009 | Computers & Internet

2 Answers

Where we store the password in windows xp..?


The password is store in the SAM, which is encrypted. If you want to recover a password, you need a password cracker like this


Good luck

Dec 13, 2008 | Microsoft Windows XP Professional With...

3 Answers

Forgot password


hai

do you have win98 cd, if it so boot the machine from the 98 cd,

rename the sam file from the location c:\windows\system32\config

the you can find the SAM file, rename the file to sam.old

Oct 03, 2008 | Microsoft Windows XP Professional With...

1 Answer

Sam file


Use the windows installation disk to perform a repair install.

Or a alternative way would be to start the windows setup and then start the repair console when asked to.

then copy the c:\windows\repair\sam file to c:\windows\system32\config\

May 16, 2008 | Microsoft Windows Xp Home Edition English...

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