Windows\System32\config\system or Windows\System32\config\software
Soln:
- Insert the Windows Xp Booting disk into Dvd Drive. {Change the first boot sequence to cd Rom}
- At Welcome Screen, Press R Key to enter Recovery Console Mode
- Select Windows that u want to repair, Press 1 & Strike Enter,You r prompted to enter Administrator password ,Enter the password if u had given password or else simply strike enter
- At the Command prompt, Type the following Lines.
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\default c:\windows\tmp\default.bak
- Del c:\windows\system32\config\system
- Del c:\windows\system32\config\software
- Del c:\windows\system32\config\default
- Del c:\windows\system32\config\sam
- Copy c:\windows\repair\system c:\windows\system32\config\system
- Copy c:\windows\repair\system c:\windows\system32\config\software
- Copy c:\windows\repair\sam c:\windows\system32\config\sam
- Copy c:\windows\repair\default c:\windows\system32\config\default
5. Type Exit,System Restarts Press F8 select Safe mode option
6. Open Windows Explorer, Click On Tools Option ->Folder Options->View tab- > Show Hidden files and folder & Untick The Hide Protected Operating system files {Recommended}
7. Click Yes to confirm to the dialog box
8.Open System Volume Information,Look for " _restore{87BD3667-3246-476B-923F-F86E30B3E7F8}"
9.Select the file that was not created at that Current time,Look for RPx {Restore point}
10.Open C:\System Volume information\_restore{D86480E3-73EF-47BC-AOEB-A81BE6EE3ED8}RP1\Snapshot
11.From snapshot folder copy following files to c:\windows\tmp folder
- _Registry_User_.Default
- _Registry_Machine_Security
- _Registry_Machine_Software
- _Registry_Machine_Sam
- _Registry_Machine_System
12.Rename files in C:\windows\tmp folder
- Rename _Registry_User_.Default to Default
- Rename _Registry_Machine_Software to Software
- Rename _Registry_Machine_Security to Security
- Rename _Registry_Machine_Sam to Sam
- Rename _Registry_Machine_System to System
13. Delete Existing registry file,Copy the restore registry file to C:\Windows\System32\config
Open Command Prompt Type following lines
- Del c:\windows\sytem32\config\software
- Del c:\windows\system32\config\default
- Del c:\windows\system32\config\sam
- Del c:\windows\system32\config\system
- Copy c:\windows\tmp\software c:\windows\system32\config\software
- Copy c:\windows\tmp\sam c:\windows\system32\config\sam
- Copy c:\windows\tmp\Default c:\windows\system32\config\default
- Copy c:\windows\tmp\system c:\windows\system32\config\system
14 Type Exit , Restart System.