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Gigabyte2004

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\WINDOWS\SYSTEM32\CONFIG\SYSTEM corrupted

I am running xp media center and I just have gotten this error.... Windows could not start because the following file is missing or corrupted   \WINDOWS\SYSTEM32\CONFIG\SYSTEM  I can do a compltete reinstall,but then I would lose everything.The laptop didn't include the actual cd to boot from to try and repair it.There anyway to fix it without wipiing evrything out?
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qz8dsw
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There is indeed.

As per Johns comments here,
https://www.experts-exchange.com/questions/22830986/Regisrty-problem-Recovery-mode-md-tmp-returned-access-denied.html?anchorAnswerId=19898962#a19898962

"I am assuming you are referring to ....

How to recover from a corrupted registry that prevents Windows XP from starting
http://support.microsoft.com/kb/307545

Take a look here, as it is a bit easier (and safer for OEM systems)

https://www.experts-exchange.com/questions/22000853/windows-system32-config-system-missing-or-corrupt.html"

Terry
Avatar of johnb6767
lol...Went to paste that same info....

:^)

Just be aware of the Warning for OEM systems, in the above KB Article...

"Warning Do not use the procedure that is described in this article if your computer has an OEM-installed operating system. The system hive on OEM installations creates passwords and user accounts that did not exist previously. If you use the procedure that is described in this article, you may not be able to log back into the recovery console to restore the original registry hives. "
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Gigabyte2004

ASKER

How do I go about starting this? All I see is the error mentioned above and another telling me to type r to repair with a cd?
From my other posting...

Take a look at buring one of these below tools (UBCD4WIN is ready to burn once it is downloaded). It gives you a Windows Graphical environment to make these changes...

Bart's Preinstalled Environment (BartPE) bootable live windows CD/DVD
http://www.nu2.nu/pebuilder/

UBCD4Win
http://www.ubcd4win.com

Boot to one of those utilites above, and go to the a43 Explorer utility. Navigate to the "C:\Windows\System32\Config" directory.

Rename the following files....DO NOT DELETE THEM....

Rename system to system.old
Rename software to software.old
Rename sam to sam.old
Rename security to security.old
Rename default to default.old

Go into the "System_Volume_Information" folder (if you get a "Access Denied", right click the folder and select the Security Tab, and once you highlight Everyone at teh top, select "Full Control" in the bottom. )
Select the "Restore Folder"
Then you will see folders with RP50, RP51 etc... Look for the highest number, as it is the newest one. Go into that folder and copy the following files to the "C:\Windows\System32\Config" directory.

registry_machine_system
registry_machine_software
registry_machine_security
registry_machine_sam
registry_user_.default

Now, go back to the "C:\Windows\System32\Config" directory.

Remove the "registry_machine_" from the 5 files you just copied.

Restart the machine, and remove the bootable disc you were using....

If it boots successfully, go to "System Restore" in the Help menu, and do a full restore to a few days back.... This will ensure that all of the files are restored to the proper restore point, not just the registry files you fixed....

Of course, if you just want to go through this process with just the SYSTEM file, you can do it by itself if you want. If you still get the error, or a Blue Screen of Death upon the next boot, simply go back and redo the other 4 files....
Ok.I;ll try it.
Well,I burned a cd and put it into the cd rom,but nothing happens.It tries to read the disc and then the error screen pops back up?
Must sleep now.
@johnb6767 -- "UBCD4WIN is ready to burn once it is downloaded" -- where is that version found?

Looks like I may have made some converts on the easy way to restore registry hives :-)
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qz8dsw
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What's cobal? Any kin to COBOL? ;-)

After several trips through the recovery console process, I started connecting drives to another PC. Got ERD Commander and started using it (and still do). But tried Bart PE and it works well also.

Bart PE (or UBCD4Win) is the best method for most users. Everyone should have one or the other or both.
@will - LOL! Touché
More the New Zealand version when typing badly.
But glad you knew how to correct me.  Makes me feel alot better.

Terry
@ Terry --  I may have been around a little longer than you have and am rather comfortable with DOS myself. I just like easy -- and a file manager is much easier than command line.

FORTRAN and punch cards for me.
Glad you got it fixed...

What was the resolution that finally worked for you?