Sfc shows unable to fix corrupt files

stef45

Member
Member
Hi,

I have a new Acer Laptop. It came unpartitioned so I have partitioned it to have a C: and an E: drive. My OS is on the C: and my data is on the E:

I have run an sfc scan which halted after 51% saying there were corrupt files it was unable to fix. In the log there are many DIRSD OWNER WARNING lines like this013-03-22 16:33:31, Info CSI 00000700 [DIRSD OWNER WARNING] Directory [ml:520{260},l:82{41}]"\??\C:\Windows\Inf\SMSvcHost 3.0.0.0\0000" is not owned but specifies SDDL in component Microsoft-Windows-WCFCoreComp, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral
2013-03-22 16:33:31, Info CSI 00000701 [DIRSD OWNER WARNING] Directory [ml:520{260},l:88{44}]"\??\C:\Windows\Inf\MSDTC Bridge 3.0.0.0\0000" is not owned but specifies SDDL in component Microsoft-Windows-WCFCoreComp, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral

Then I get a couple of STATUS_OBJECT_NAME_NOT_FOUND
2013-03-22 16:33:44, Error CSI 00000735 (F) STATUS_OBJECT_NAME_NOT_FOUND #7722794# from Windows::Rtl::SystemImplementation::DirectFileSystemProvider::SysCreateFile(flags = (AllowSharingViolation), handle = {provider=NULL, handle=0, name= ("null")}, da = (SYNCHRONIZE|FILE_READ_ATTRIBUTES), oa = @0x1ca4d4c438->OBJECT_ATTRIBUTES {s:48; rd:NULL; on:[94]"\??\C:\Windows\WinSxS\amd64_netathrx.inf_31bf3856ad364e35_6.2.9200.16384_none_cbd5fabae1c7796a"; a:(OBJ_CASE_INSENSITIVE)}, iosb = @0x1ca4d4c418, as = (null), fa = 0, sa = (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE), cd = FILE_OPEN, co = (FILE_SYNCHRONOUS_IO_NONALERT|0x00004000), eab = NULL, eal = 0, disp = Invalid)
[gle=0xd0000034]
2013-03-22 16:33:44, Error CSI
00000736@2013/3/22:16:33:44.550 (F) base\wcp\sil\merged\ntu\ntsystem.cpp(2155): Error STATUS_OBJECT_NAME_NOT_FOUND originated in function Windows::Rtl::SystemImplementation::DirectFileSystemProvider::SysCreateFile expression: (null)
[gle=0x80004005]

and finally unable to write to error report and some more OBJECT_NAME_NOT_FOUND:

2013-03-22 16:33:44, Info CBS Could not get active session for current session file logging [HRESULT = 0x80004003 - E_POINTER]
2013-03-22 16:33:44, Info CBS Not able to add pending.xml to Windows Error Report. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2013-03-22 16:33:44, Info CBS Not able to add pending.xml.bad to Windows Error Report. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2013-03-22 16:33:44, Info CBS Not able to add SCM.EVM to Windows Error Report. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2013-03-22 16:33:44, Error CSI 00000737 (F) STATUS_OBJECT_NAME_NOT_FOUND #7722793# from Windows::Rtl::SystemImplementation::CDirectory::OpenExistingDirectory(...)[gle=0xd0000034]
2013-03-22 16:33:44, Error CSI 00000738 (F) STATUS_OBJECT_NAME_NOT_FOUND #7722792# from Windows::Rtl::SystemImplementation::CDirectory_IRtlDirectoryTearoff::OpenExistingDirectory(flags = 0, da = (SYNCHRONIZE), oa = @0x1ca4d4ce70->SIL_OBJECT_ATTRIBUTES {s:40; on:"amd64_netathrx.inf_31bf3856ad364e35_6.2.9200.16384_none_cbd5fabae1c7796a"; a:(OBJ_CASE_INSENSITIVE)}, sa = (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE), oo = (FILE_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT|FILE_OPEN_FOR_BACKUP_INTENT), dir = NULL, disp = Invalid)
[gle=0xd0000034]


At the moment my system seems stable. I only ran sfc to try to solve permissions problem when file sharing to a partition which it seems is a very common bug in Windows 8 and not a symptom of a system problem. So my question is, can I ignore these sfc errors or they an indication that I have a problem that I need to fix and if so, how do I fix it?

Any help would be much appreciated. Thanks
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    Laptop

norepli

New Member
Member
I have a new Acer Laptop.

I personally would not ignore that many errors on a new installation and, if I were you, I would do a clean install using one of the following tutorials:

http://www.eightforums.com/tutorials/2299-clean-install-windows-8-a.html
This is the Legacy BIOS method that will create a 350MB System Partition and allocate the remainder as the C drive (see my image below)

http://www.eightforums.com/tutorial...e-firmware-interface-install-windows-8-a.html
This is the method to use if you have a UEFI capable BIOS - 4 partitions will be created

Once done, immediately apply all Windows updates and necessary drivers.

Next, go into Windows 8 Disk Management and shrink you C drive to make room for the creation of your new (extra) partition:

shrink2.jpg

Please note the partiton structure in my image above. This structure was automatically created by the Windows 8 installation process during a Legacy BIOS (non UEFI) installation.

Good luck and let us know how you make out.

Cheers!

PS - You could also create that extra partition during the installation process but my preference would be to keep the initial installation as clean as possible and then deal with that extra partition "after the fact."
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    PC/Desktop

stef45

Member
Member
Thanks for your very prompt reply!

I agree that I would rather not ignore the errors. Sadly, my laptop came with Windows 8 preinstalled and so I do not have Windows 8 discs.

I did do a System Image of the Laptop as soon as I got it, before I partitioned the disc. When I later found the sfc errors, I decided to revert back to my original System Images so I unpartitioned the disc, restored the system image and then ran an sfc. At that point I was still getting the same errors, so I am a bit at a loss.

Any advice on where I go from here much appreciated. Thanks
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    Laptop

norepli

New Member
Member
Oh, when you said it came unpartitioned, I thought you were referring to a blank hard drive. So, there may be another way to do this; however, I don't know the exact model of your ACER laptop and I also don't know how to tell you how to do a factory restore at this point. However, if you do know how to do a factory restore, I would suggest that you do it and then post you partition structure before you try to create that extra partition. Note: The factory restore process should get you back to the way it came from the factory.
 

My Computer

System One

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topgundcp

Well-Known Member
VIP Member
Guru
Try to run the command in Safe Mode:
Win+C->click on Settings->Click on Power-> Hold down SHIFT key then click on Restart
Click Trouble Shoot->Advanced Option->Startup Settings->Enable Safe Mode then click on Restart
The PC will reboot -> select Command prompt by typing the # in front of it.

You might have to run sfc /scannow multiple times until it fixes and gives you a message: Windows did not find any integrity violation
 

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stef45

Member
Member
Thanks norepli. Unfortunately since I did the partition I can no longer do a Factory Reset even after I unpartition it. I think there is the odd MB or two astray and so the Factory Reset says it cannot start as the disc is not the same as when shipped.

Thanks topgundcp. I found that advice somewhere (maybe it was you?) and I tried running it in safe mode but even after 3 tries, it was exactly the same: failed at 51%. Any ideas how many times I would need to run it in safe mode to see an improvement?

Thanks for taking the time to help.
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    Laptop

norepli

New Member
Member
Uh, oh,

I think you may have created a real problem here:

I did do a System Image of the Laptop as soon as I got it, before I partitioned the disc. When I later found the sfc errors, I decided to revert back to my original System Images so I unpartitioned the disc, restored the system image and then ran an sfc. At that point I was still getting the same errors, so I am a bit at a loss.

My guess is that those errors are somehow pointing to a hidden (factory) partition that was erased when you completely unpartitioned the disc. So, if that is the case, you'll need to download the Windows 8 ISO from Microsoft and start from scratch. Now, I think this is the correct tutorial for your situation:
http://www.eightforums.com/tutorials/18309-windows-8-upgrade-iso-download-create.html
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    PC/Desktop

stef45

Member
Member
Thanks norepli. Sadly I need a Windows 8 product key which I don't have as the laptop was shipped with Windows 8 (I do wish they would ship them with the OS discs...).

When I unpartitioned the disc, I didn't completely unpartition the whole disc, just the portion of the original C: drive that I had split. The Factory preset hidden partitions are still there.

However after I unpartitioned the C: drive, I noticed a couple of stray MBs that were floating and I think that is enough for the Factory Presets to complain that the disc does not completely mirror the shipped disc.
 

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  • OS
    Windows 8
    Computer type
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stef45

Member
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I am running Windows 8 (not Pro) on Acer V3-571 with i7 quad core with 6MB cache, 1TB disc space and 8GB RAM.

Thanks
 

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norepli

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The product key should be affixed to the laptop via a label somewhere and it may be hidden in a compartment that requires taking out a few screws. So, let's start by trying to find that label and please give me the exact laptop model number so I can try and find it as well.
 

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stef45

Member
Member
Hi norepli,

I do have details on the label on the underside of my laptop including serial Number etc. I didn't think any of those numbers were the Windows 8 product key. The top line has codes regarding model number V3-571G etc. The second line is the serial number and the bottom is the SNID. Is it possible one of these is the Windows 8 product key? That would be great if it was!
 

My Computer

System One

  • OS
    Windows 8
    Computer type
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norepli

New Member
Member
According to this ACER thread, you don't need a specific product key because it is an OEM installation and the license is embedded in the BIOS: Windows 8 Product Key and Dual Boot - Acer Support Community

ACER also has a Windows 8 installation flowchart that might help you to get going:
Acer | Manually Upgrade
Now, if you get stuck at the part where it may ask for a product key, I would contact ACER support to resolve that issue.

And finally, here's a direct link to Microsoft to start an automated installation (if you would like to try it):
Upgrade to Windows 8 with only a product key - Microsoft Windows
I really hope they don't ask you for that key!
 

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stef45

Member
Member
Oooh now that sounds like a possibility. I'll have a look at those links and get back to you (once I've finished my pizza and glass of wine.... well it is Friday night...)
 

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norepli

New Member
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You're making me hungry and thirsty too! However, I went back and read everything over and here is yet another possible cause and solution for you to try:

Cause:
When you first created you system image, your C drive was much larger because you had not yet split it to add the E drive; yes? If so, you could not "effectively" restore the original system image to the (now) much smaller C partition and that may be why you are getting those "out of bounds" errors. Typically, you can only restore a system image to the same size (or larger) partition.

Now, if you are certain that you haven't destroyed any of those hidden partitions, the following might work:

Solution:
You could try deleting that E drive partition and expanding the C partition back to its maximum (and hopefully) original size. Now, if the C drive partition size "matches" the system image partition size, you should be able to do a graceful restore and if successful, it should cure your errors. Then, use Windows Disk Management to shrink your system partition and create the E drive partition again. Now, do a system image of the current (smaller) system partition.

In summary, I feel there are many "potential" ways to attack and cure this issue and I feel confident that you have the technical ability to get through this... one way or another!
 

My Computer

System One

  • OS
    Windows 8
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stef45

Member
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Hi norepli,

one glass of wine and slice of pizza later (or truthfully multiples of both)... yes I did try deleting the E partition and resizing the C: drive back to its original size, but when I did that I suspect a couple of MB went astray and so the new C: drive did not exactly match and the Factory Restores were not happy.

However, if as you say my Windows 8 product key is embedded in the BIOS then maybe I can do a system reset. I have to say though, the Acer help does not look to be great. I did email them for support but was told the email was only for hardware issues and that if I wanted any software support I would have ring an 09 number which costs 50p a minute and TBH I suspect that whoever I speak to will know less about computers than I do, but perhaps I am being unfair and they could at least help me with a Windows 8 License key.

Thanks for your time and energy with this.
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    Laptop

norepli

New Member
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Look for a COA sticker in the battery compartment somewhere (or on the inside of the battery compartment lid). This may have the OEM product key listed as (example) TK8TP-9JN6P-7X7WW-RFFTV-B7QPF
 

My Computer

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  • OS
    Windows 8
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caperjack

Just the Janitor
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And finally, here's a direct link to Microsoft to start an automated installation (if you would like to try it):
Upgrade to Windows 8 with only a product key - Microsoft Windows
I really hope they don't ask you for that key!

thats for a windows upgrade and computer has to be working ,with a os to upgrade to win8, i use it to upgrade from win8 to win8 pro


contact Acer to purchase recovery dvd's perhaps , you won't get much help from acer ,but buying recovery dvd,as you created the problem yourself ,not them .
 

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norepli

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Hi caperjack,

It is working on Windows 8 and I thought that process might work on a reinstall without using a product key. Now, given that this is a complicated thread, with additional information being provided by the OP as we go, what do you suggest is the best course of corrective action at this time? Also, I think you have a very distinct advantage of being able to gather all of the pertinent particulars at one time so what is your recommendation for a final fix based on all that has transpired? I'm ready to "bow out" and let you take over... so just give me the word and I'm outta here!
 

My Computer

System One

  • OS
    Windows 8
    Computer type
    PC/Desktop

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