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How to restore System 32 WIndows file to computer from CD.

After System 32 windows file quarantined, am now unable to reboot XP system without using the restore CD.  I have no expertise to extract Sys32 file from CD and install.  Don't know where to download it on line.  No Sasser.
   I'm new to this site.  At first I did get some info on Sys32 issues, but it disappeared when I went to another window.  I have little expertise to generalize information from sys32 issues I read to my "quarantined" and reported "Download.Trojan" as the culprit.  I assume I got rid of it withi the Symantec quarantine.   At the same time, my server reported "intercepting" W32/Netsky.y.eml ! exe.  I'm assuming they got it.
JR

Also...how do I find my question and answer if I log out and log back in?  Thanks.
0
Gangtok
Asked:
Gangtok
2 Solutions
 
Rich RumbleSecurity SamuraiCommented:
What was the Exact file name?

What I would do, personally and professionally, is take the HD out of the PC- and put it in a friends (or someone trust worthy's) computer - as a secondary HD (do not boot off of yours)- make sure their AV has all the latest updates, scan the your HD. Then, try to find a good copy of the file from their PC, and or from the i386 directory of the windows CD, you can use a file search to find it faster... copy it into place, and try the HD back in your own PC

I've never had much sucess with M$ system restores (from 9x all the way up to xp) it's never quite the same... if it works at all :(
-rich
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Fredj1250zwCommented:
Using Windows XP Recovery Console -

To start Recovery Console from the Windows XP Professional operating system CD

Insert the Windows XP Professional operating system CD into the CD-ROM drive, and restart the computer. When prompted, press a key to start Setup.
At the Setup Notification screen, press ENTER.
After the Welcome to Setup screen appears, select To repair a Windows XP installation using Recovery Console by pressing R.
A menu that lists one or more Windows XP Professional installations appears.

Type the number corresponding to the installation that you want to use, and then press ENTER.
At the prompt, enter the password for the local Administrator account to access the contents of the local hard disk. Recovery Console accepts only the local Administrator account password.
From Recovery Console, you can attempt to replace corrupted files with undamaged copies stored on removable disks, such as a floppy disk or the Windows XP Professional operating system CD.

To use the CD-based Recovery Console, you must set the CD-ROM as the primary boot device (the first item listed in the boot order). If the CD-ROM is not listed as a boot-order option in the computer firmware, you cannot start your system by using the Windows XP Professional operating system CD. You must use startup floppy disks to start Windows XP Professional Setup


Using Recovery Console to replace the System file
================================

At the Recovery Console prompt, locate the config folder by typing:
cd system32\config

Create backups of the System or Software files by typing:
copy system <drive:\path\filename>

-or-

copy software <drive:\path\filename>

If they exist, save backups of other files that use file names that start with "system" or "software," such as System.sav or Software.sav.

Replace the current System or Software file by typing:
copy ..\..\repair\system

-or-

copy ..\..\repair\software

Answer the Overwrite system? (Yes/No/All): prompt by pressing Y.
Restart the computer.

And thats solves your problem!¿?!

Fred
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