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"Windows has encountered a critical error and needs to restart" loop


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#1 5000STaples

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Posted 20 September 2012 - 03:49 AM

Hi, I recently (foolishly) downloaded something, and shortly after, noticed that Microsoft Security Essentials had been shut off. When I tried to turn it back on, it told me that the service was missing. I performed a system restore, and now every time I turn on my computer, I am told that a critical error has occurred, and windows needs to restart. I am running Windows 7 64-bit. Thank you.

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#2 narenxp

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Posted 20 September 2012 - 04:04 AM

Restart the PC

Press F8 on bootup

Select REPAIR YOUR COMPUTER

Click on REPAIR

On the System Recovery Options menu you will get the following options:

Startup Repair
System Restore
Windows Complete PC Restore
Windows Memory Diagnostic Tool
Command Prompt

Can you get to this screen?

If yes

Select System restore

If you have restore point before you installed microsoft security essentials restore it or if you have restore point before you were infected would be fine

#3 5000STaples

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Posted 20 September 2012 - 04:20 AM

I just attempted that, and an dialogue box appeared at the end that said: "System restore did not complete successfully. Your computer's System files and settings were not changed. Details: An unspecified error occurred during system restore (0x800700b7).

#4 narenxp

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Posted 20 September 2012 - 04:27 AM

Boot into safemode and see if you still have the error

Or

Try to use a different restore point.

#5 5000STaples

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Posted 20 September 2012 - 04:43 AM

After that restore failed, I rebooted, and after the bios screen, a message appears saying that the computer was unable to start, and it appears every time now. How do I boot into safemode? When i press F8, it gives me my boot devices.

#6 narenxp

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Posted 20 September 2012 - 04:44 AM

Do you have your windows 7 DVD ?

if yes insert it,press any key on bootup and try startup repair.After startup repair finishes ,try to boot normally.

Edited by narenxp, 20 September 2012 - 04:44 AM.


#7 5000STaples

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Posted 20 September 2012 - 06:25 AM

It says that "Startup repair cannot repair this computer automatically.
Problem Signature:
Problem event name: StartuprepairOffline
Problem Signature 01: 6.1.7600.16385
Problem signature 02: 6.1.7600.16385
Problem signature 03: unknown
problem signature 04: 21200293
problem signature 05: autofailover
problem signature 06: 3
problem signature 07: NoRootCause
OS version: 6.1.7601.2.1.0.256.1
Locale ID: 1033

#8 narenxp

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Posted 20 September 2012 - 06:33 AM

Can you get to the recovery options screen?

Can you click on SYSTEM RESTORE or COMMAND PROMPT options?

#9 5000STaples

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Posted 20 September 2012 - 06:36 AM

Yes, I can access the recovery options screen, and can open command prompt or system restore.

#10 narenxp

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Posted 20 September 2012 - 06:41 AM

Select a different restore point and see if it works.If that doesnt work try this

I guess you are not using windows 7 DVD to access recovery console so

Click on command prompt and run this command

sfc /scanfile=C:\windows\system32\services.exe /OFFBOOTDIR=X:\ /OFFWINDIR=C:\windows

Let me know output of this command

#11 5000STaples

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Posted 20 September 2012 - 06:56 AM

I retried a different restore point, and it came up with the same error message, and I also now have to choose my user account and enter my password to get to the recovery options screen.
I have the windows 7 CD, and have been booting from the CD drive, so I've been assuming that is how I've been accessing the recovery options?
I entered the command, and it says "Windows Resource Protection could not start the repair service"

#12 5000STaples

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Posted 20 September 2012 - 07:03 AM

I installed Ubuntu to recover important files, would there be anything I'd be able to do from there to fix the problem?

#13 narenxp

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Posted 20 September 2012 - 07:07 AM

what windows 7 version are you using? Ultimate,home premium?

#14 5000STaples

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Posted 20 September 2012 - 07:09 AM

Pretty sure that it's Windows 7 Home Premium 64 bit

#15 narenxp

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Posted 20 September 2012 - 07:14 AM

I want you to browse to this windows directory in ubuntu

Rename this file

c:\windows\system32\services.exe to services.old

Go to

C:\Windows\winsxs\amd64_microsoft-windows-s..s-servicecontroller_31bf3856ad364e35_6.1.7600.16385_none_2b54b20ee6fa07b1\services.exe

Copy the file and paste it in

C:\windows\system32 folder

Now reboot normally and see it helps.

Edited by narenxp, 20 September 2012 - 07:15 AM.





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