Restoring Windows system files — how to restore deleted and corrupted system files

By | 24.04.2016

How to recover deleted Windows XP system files

There are times when you need to recover damaged or deleted Windows XP system files . System files may be deleted, damaged or tampered with infected files as a consequence of, for example, the actions of viruses. It is not uncommon damaged system files with incorrect turn off your computer (for example, when the light is turned off) due to errors in the file system.

Here the answer will be given to the question: How to restore the system files without the Windows reinstall .

The method is suitable for those cases when it is known what specific system files to restore.

If the computer can not boot after an unclean shutdown (power outage, shutdown button, pulling the power cord), you must first check your hard disk for logical errors.

The recovery process is to copy from the Windows XP drive the necessary system files. On the Windows distribution is all the system files. They are located in the I386 . All the necessary files on the installation CD recorded in a compressed format and have the extension type .dl_ .ex_ and so on. That is the last character is replaced by an underscore.

We need to unpack deleted from the system files from the Windows installation disc to the folder where they should be. If you do not have distribution windows, you can download the file from the I386 folder for 32-bit versions of Windows XP.

To restore the system files needed to boot from a bootable CD-ROM, such as the ERD Commander . Download the disk image can be here . Burn disc image to a blank CD-R, you can use a free program DeepBurner (more in the article how to burn an ISO image to disc )

Consider how to unpack the system files from the Windows installation disc in the example file restore the C: \ Windows \ the System32 \ userinit.exe , which is often substituted for banners blocking Windows . The process of restoration of system files from the installation disk is not fundamentally different to other files. The main thing to know exactly what specific folder should be placed one or another file.

Boot from the disk the ERD Commander . Choose download the ERD Commander 5.0 for the Windows XP, . In the window that appears at the end of the download, select the path to the installed OS Windows and click OK.

Open My Computer . Insert the installation CD, the Windows . From the folder I386 copy the necessary system files with the extension dl_ ex_ or the folder where they should be installed in the system. In our case it is a file USERINIT.EX_ . Copy the folder USERINIT.EX_ I386 folder C: \ Windows \ System32 \. To do this, right click on the file USERINIT.EX_ and in the context menu, select the Copy to .

Restore a deleted file system with the installation disc

In the window that appears, choose the path C: \ Windows \ System32 and click OK.

Restore damaged windows xp system file

After the file is copied to the system folder, you need to unpack it. Unpacking the system files with the extension dl_ ex_ or from the Windows installation disc is performed using the command expand Property .

Command syntax: expand Property [source file] [destination file]

To execute a command, you must run the command line. In the menu Start (Start) , select the item Run (the Run) . In the window that appears, enter the command cmd and press Enter.

At the command prompt, enter the command to unpack our file: expand Property c: \ of windows \ system32 folder \ userinit.ex_ c: \ of windows \ system32 folder \ userinit.exe , and press Enter.

Restore system files - unpacking c distribution windows xp

Perform unpacking, as evidenced by the text:. «C: \ windows \ system32 \ userinit.ex_: 11863 bytes expanded to 26624 bytes» Restoring a system file was successful . You can now restart the computer.

Similarly, recovering any other Windows system file .

How to restore corrupted Windows 7 system files without having to reinstall the system

Now consider the process of restoration of system files in Windows 7. It differs from restore system files in Windows XP.

Boot from the disk ERD Commander (choose the version for seven in the disc menu when downloading) disk image here .

On the question of setting up a network answer Skip and confirm reassign drive letters. Then select the path to the Windows folder.

Run a set of recovery tools MSDaRT.

restore system files windows 7 erd commander 6.5

Select the menu item System File Checker

erd commander recovery windows 7 system files

To continue the wizard, click Next

Recovery Wizard Windows 7 system files

Select the item Scan and request to fix and click Next

Search deleted and corrupted system files of Windows 7

This starts the process of searching for damaged and deleted system files Windows 7. It may take a long enough time. After the operating system will be scanned, a list of damaged or deleted files. Put a checkmark on the files that we want to recover and click Next .

Undelete userinit.exe windows 7

This starts the process of restoring the file system of Windows 7, and then a window will appear with the results of the recovery. Click Next and in the next window Done .

Results Recovery of Windows 7 System Files

Now close the Windows 7 recovery tools (MSDaRT), by clicking Close and press the button Reload to reload.

I want to make one important point. Be careful when selecting files to restore if you are using a pirated version of the assembly or Windows 7. In it, some system files that Windows do not require activation can be changed. Recovery Wizard considers these files are corrupt and replace the original, in consequence of that Windows at startup can begin issuing a message about counterfeit versions of Windows . If you restore the system files after the removal of the banner, select to restore the system files from the table below.

Windows system files and folders that they should be

Below are some Windows system files and folders where they should be. Keep in mind, if you have found the appropriate file, but in a different folder is most likely that this virus! (Except for the folder c: \ windows \ system32 \ dllcache).

File Folder
explorer.exe c: \ windows
iexplorer.exe c: \ windows
regedit.exe c: \ windows
notepad.exe c: \ windows
userinit.exe c: \ windows \ system32
taskmgr.exe c: \ windows \ system32
taskman.exe c: \ windows \ system32
cmd.exe c: \ windows \ system32
logonui.exe c: \ windows \ system32
winlogon.exe c: \ windows \ system32


Файл Папка
explorer.exe c:\windows
iexplorer.exe c:\windows
regedit.exe c:\windows
notepad.exe c:\windows
userinit.exe c:\windows\system32
taskmgr.exe c:\windows\system32
taskman.exe c:\windows\system32
cmd.exe c:\windows\system32
logonui.exe c:\windows\system32
winlogon.exe c:\windows\system32

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