Problems with the system registry of the Microsoft Windows operating system can occur both as a result of power outages and after exposure to certain malware. A blue screen of death or a warning about a corrupted configuration file are common signs that the registry needs to be restored.
Necessary
- - Windows XP;
- - Windows XP installation disc
Instructions
Step 1
Boot from the installation disc and press the R key while opening the installation wizard to launch the Recovery Console.
Step 2
Specify the operating system to be restored and enter the administrator password in the prompt window.
Step 3
Enter a value in the text box of the recovery service window:
md tmp
copy c: / windows / system32 / config / system c: / windows / tmp / system.bak
and press the Enter key.
Use the command:
copy c: / windows / system32 / config / software c: / windows / tmp / software.bak
and press the Enter key again.
Select the command:
copy c: / windows / system32 / config / sam c: / windows / tmp / sam.bak
and press the Enter key.
Enter value:
copy c: / windows / system32 / config / security c: / windows / tmp / security.bak
and use the Enter key.
Type the command:
copy c: / windows / system32 / config / default c: / windows / tmp / default.bak
and press the Enter key.
Use the above procedure to enter the following value:
delete c: / windows / system32 / config / system
Repeat the previous steps and enter a value:
delete c: / windows / system32 / config / software
Select the command:
delete c: / windows / system32 / config / sam
and use the Enter key.
Step 4
Using this algorithm, enter the following values in sequence:
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, using the Enter function key after each command.
Step 5
Enter the value exit to exit the Recovery Console tool and start an automatic reboot.
Step 6
Use the "Start" button to launch the main menu of the system and select the "Turn off computer" command.
Step 7
Specify the "Restart" command and confirm your choice by pressing the OK button.
Step 8
Press F8 and point to Safe Mode using the arrow keys.
Step 9
Press the Enter function key to execute the command and select the required operating system.
Step 10
Expand the Tools menu on the top Windows Explorer toolbar and go to Folder Options.
Step 11
Select the "View" tab in the new dialog box and check the box next to "Show hidden files and folders" in the "Hidden files and folders" group.
Step 12
Uncheck the box "Hide protected system files (recommended)" and confirm your choice by clicking "Yes" in the request window.
Step 13
Open the disk containing the operating system by double-clicking and navigate to the System Volume Information folder.
Step 14
Specify the "Table" item in the "View" menu of the upper toolbar of the program window and open the _restore folder with an earlier creation date.
Step 15
Locate the RPx system restore point folders and select the Snapshot folder it contains.
Step 16
Create copies of the files:
- _Registry_User_Default;
- _Registry_Machine_Security;
- _Registry_Machine_Software;
- _Registry_Machine_System;
_Registry_Machine_Sam
in the C: / Windows / Tmp folder, renaming them accordingly to
- Default;
- Security;
- Software;
- System;
- Sam.
Step 17
Return to the Recovery Console tool and enter the command:
del c: / windows / system32 / config / sam
into the text box. Apply the Enter key.
Select the command:
del c: / windows / system32 / config / security.
Use the Enter key.
Enter value:
del c: / windows / system32 / config / software
and press the Enter key.
Step 18
Following this algorithm, enter the following values in sequence:
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, using the Enter function key after each command.
Step 19
Enter Exit and use the Enter key to shut down the console and automatically reboot.
Step 20
Return to the main Start menu and select All Programs.
21
Select the item "Standard" and expand the link "Service".
22
Go to System Restore and check the box next to Restore your computer to an earlier state.