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windows will not boot


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#1
mountaineer26070

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I was referred to this forum by perplexus see reason at this link

http://www.geekstogo...ml#entry1597856

to give a run down when I try to boot into windows I get a stop message stating that sfcfiles.dll is not valid windows image. I will answer any questions but please read steps already taken so we can proceed from there. I will be available before 10 AM EST and after 9 PM EST due to work schedule. Thank you for any help that you can give me.
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#2
Whiskeyman

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You will need the operating disk for that PC or an OEM version, same version Home or Pro. You will also need your key for that PC and do a repair install.

Edited by Whiskeyman, 02 August 2009 - 06:53 PM.

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#3
wannabe1

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Hello mountaineer26070...

I see in your malware topic that you had problems with the repair. Let's see if we can approach this another way.

Is the machine you are on now also running XP?

wannabe1
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#4
mountaineer26070

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In reply to whiskeyman I do not have the operating disk that came with the computer nor do I have an OEM version. I do not have the key for this computer and am not sure how to retrieve as all solutions I have found involve being able to boot into windows. In reply to wannabe1 yes the machine I am on now is running XP.
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#5
wannabe1

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We'll use the computer you're on now to create a small 'fix CD' to try and solve this problem. I've never tried replacing this file this way, but it has been successful in replacing other core files...let's see if it gets us where we want to be.

Please download RC.ISO and save it somewhere you can find it.
Also download MagicISO and install it.

Start MagicISO. You should see a window informing you about the full version of MagicISO.
In the bottom right select Try It! and the program will open.
Click on File and then on Open and navigate to the RC.ISO file you downloaded. Select it, and click Open.

First, we'll need to add a clean version of sfcfiles.dll to the current RC.ISO
  • In the upper right pane, double click on the i386 folder.
  • Right click in the upper right pane and select Add Files...
  • Navigate to C:\Windows\System32 and select sfcfiles.dll
  • Then click Open to add sfcfiles.dll to the CD image.
  • Click File and select Save As...
  • Name the file RCplus and save it somewhere you can find it.
Next, we'll need to burn the newly created image to a disk that we can use to fix the problem.
  • Put a blank CD-R disk in your CD burner and close the tray. If an AutoPlay window opens, close it.
  • Click on Tools and select Burn CD/DVD with ISO.... A window will appear.
  • Click on the little folder to the right of CD/DVD Image File then navigate to the newly created RCplus.iso Image file and click Open.
  • In the CD/DVD Writing Speed drop-down menu choose the 8X setting.
  • Under Format make sure that Mode 1 is selected.
  • And finally, click on the Burn it! button to burn RCplus.iso to disk.
Once the disk is burned, put it in the machine you want to fix and restart it.
Boot to the CD just as you would with a Windows XP disk.
At the Welcome to Setup screen, press R to enter the Recovery Console.
Choose the installation to be repaired by number (usually 1) and press Enter.
When you are asked for the Administrator password, enter the password or leave it blank (default) and press Enter.

At the C:\Windows> prompt, type the following commands pressing Enter after each one. (Note the spaces in these command strings.)

D:
cd i386
copy sfcfiles.dll c:\windows\system32
exit

After putting in the third command, you should receive the message 1 file copied which will indicate that the operation succeeded.

Once you exit Recovery Console, let Windows try to load normally.
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#6
mountaineer26070

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I am able to boot into windows normally. Is there anything else that we need to do? Thank you for your help.
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#7
wannabe1

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Yup...you need to go back to the malware forum and remove the infection that caused this.

Glad I could be of assistance. :)
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