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WINDOWS COMMON ERROS AND HOW TO FIX THEM
windows system32 config system file missing or corrupt View Tutorial NTLDR is missing or corrupt View Tutorial
TUTORIALS
windows system32 config system file missing or corrupt
Procedure 1
- Procedure 2 here1. 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 C:\Windows to the appropriate windows_folder if it is a different location.
Procedure 2
Snapshot Method1.Boot to the recovery console
2.Copy the Registry from a backup using the Snapshot method.
3. At the C:\Windows type CD..
4. Then at C:\ prompt type CD SYSTEM~1
5. At the C:\SYSTEM~1\ type CD _RESTO~1
6. At the C:\SYSTEM~1\_RESTO~1\ type dir rp*. *
(There would be many folders existing named as RP1, RP2 .... RP102 ... etc. Look for the second highest numbered RP folder. For e.g. if the highest folder is RP33 then the target folder to work on would be RP32.)
7. At the C:\SYSTEM~1\_RESTO~1\ type CD RP32
8. At the C:\SYSTEM~1\_RESTO~1\RP32\ type CD SNAPSHOT
9. AT the C:\SYSTEM~1\_RESTO~1\RP32\SNAPSHOT type as follows:
Copy _REGISTRY_MACHINE_SAM \windows\system32\config\SAM
Copy _REGISTRY_MACHINE_SECURITY \windows\system32\config\SECURITY
Copy _REGISTRY_MACHINE_SOFTWARE \windows\system32\config\SOFTWARE
Copy _REGISTRY_MACHINE_SYSTEM \windows\system32\config\SYSTEM
Copy _REGISTRY_USER_.DEFAULT \windows\system32\config\DEFAULT
Note: The last line contains a period (.) before DEFAULT
10. Type EXIT and reboot the computer.
Note : If you get Access Denied at the Step 4. CD SYSTEM~1 command
First perform the following steps and then resume from Method 2 - Step 1
Cd windows
Cd system32
Cd config
Ren system system.bak
Cd \
Exit
Reboot the pc and resume from Step 1..
NTLDR is missing or corrupt
This problem may occur if the basic input/output system (BIOS) on your computer is outdated, or if one or more of the following Windows boot files are missing or damaged:
Ntldr
Ntdetect.com
Boot.ini
Other reasons for this issue to occur are :
1.Computer is booting from a non-bootable source.
2. Computer hard disk drive is not properly setup in BIOS.
3. Corrupt NTLDR and/or NTDETECT.COM file.
4. Misconfiguration with the boot.ini file.
5. Attempting to upgrade from a Windows 95, 98, or ME computer that is using FAT32.
6. New hard disk drive being added.
7. Corrupt boot sector / master boot record.
8. Corrupted version of Windows 2000 or Windows XP.
9. Loose or Faulty IDE/EIDE hard disk drive cable.
So, How to FIX it?
1. Boot to Recovery Consolve
2. Type copy x:\i386\ntldr c:\ (where x is the drive letter for the optical drive), and press ENTER.
3. Type copy x:\i386\ntdetect.com c:\ (where x is the drive letter for the optical drive), and press ENTER.
If you are prompted to overwrite the file, type y, and then press the Enterkey.
4. Type EXIT and press the ENTER key to quit Recovery Console and restart your computer.
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