sfc /scannow reports 6 files it cannot repair

jcgriff2 · May 9, 2013

tosime said:
I have bought a new hard drive to replace the two hard drives that were in my system.

I have restored the operating system and data files by cloning the C: drive to the new hard drive.

Not speaking for the others - just curious -- Why not reinstall Windows 7? I assume you'll encounter the same issues with the new cloned drive as with the old.

Regards. . .

jcgriff2

tosime · May 9, 2013

Thanks for your question. It got me thinking because I had made assumptions without really weighing the options.

If I did a fresh install of Windows, I would have to reinstall and configure all my applications - I have very many (probably too many!). This would take some time and I use my PC for work.
Also, I have this assumption that reinstalling Windows will involve downloading and installing all the updates since I first installed it - again more time and potentially more things to go wrong.

Am I wrong in any of these assumptions? Should I do a Windows reinstall now?
While I was installing the new hard drive, I had to interrupt the process twice to respond to work issues. My desk looked funny as you could not be sure it was a home office or a PC workshop!

Also, I have to admit I have some full versions of my favorite applications I got free. I would have to buy them all to install them again or revert to the free versions if I reinstalled Windows 7.
Please let me know if I have overlooked something.

Thanks again for your observation.

jcgriff2 · May 9, 2013

tosime said:
Am I wrong in any of these assumptions? Should I do a Windows reinstall now?

Your assumptions are correct. All apps + Windows Updates need to be reinstalled, but it is worth it.

I recommend that you run Killdisk on the new drive 1st, then reinstall Windows.

https://www.sysnative.com/forums/hardware-tutorials/449-format-hdd-low-level-format-killdisk.html

After Windows install upon reaching Desktop, allow ALL Windows Updates to come in -

www.update.microsoft.com - or via Control Panel

Install MSE - http://windows.microsoft.com/en-us/windows/security-essentials-download

Go to system manufacturer's site for missing drivers &/or check Action Center

Then install your favorite apps.

Regards. . .

jcgriff2

niemiro · May 9, 2013

Yes...I would have to agree with jcgriff2 here. You have many SFC corruptions, but its what else is corrupt which worries me. Fine, so you still have a ton of Window files corruptions, but its all the registry corruption, other files outside of SFC control, etc. etc. that we can't see. OK, so nothing drastic has happened, so the machine still boots, but the way I see it, you need a Clean Install to get rid of all of it. That hard disk failed pretty bad at the end.

I am very sorry.

Richard

tosime · May 9, 2013

Hi Richard/jcgriff2,

I think you are right. In the long run it would be best.
I need to have a good 4 days I can set aside to do it carefully and methodically to minimize problems.

Is there a checklist or step by step process I can follow?
For example - I need to have ready all the registration numbers of all the applications I will install.
I have to backup all my emails and have all my passwords ready.
The more I think about it the more daunting it appears.

Richard, how do you conclude that the hard disk failed badly in the end?

Tony

tosime · May 9, 2013

Richard,

Where do we stand on the repairs?

I prefer to delay a clean install of Windows until I am satisfied I know the full implications for my system and I have planned a good process to follow. Also, I will need a good period of time without distracting work pressure.

In the meantime, since I have replaced the hard drive (so we can eliminate hard drive problems) can we complete the repairs as best as possible in the current environment?

If there are other problems, it would be good to know what they are so I can prevent them from reoccurring even if I did a clean Windows install.

If it will involve too much effort on your part, please point me to relevant articles I can review to learn more about the problem and the fixes.

What I would like to end up with is an improved knowledge of the causes, solutions and tools needed to solve the file corruption problems I have and hopefully a PC in better condition even if all the issues are yet to be resolved.

Look forward to your reply.

Tony

niemiro · May 13, 2013

Hello again Tony :)

OK, we'll go for the fix on the SFC corruptions. However, I first want to run two more scans. If they come out clean or with only a few small corruptions, then i'll fix. If they come out with e.g. thousands of corruptions, it isn't worth it.

Please create and run the following .txt SFCFix Script:

Code:

BitShift::

Then please download (you don't need to redownload if you already have a copy still lying around) System Update Readiness Tool: What is the System Update Readiness Tool?

and post a new C:\Windows\Logs\CBS\CheckSUR.log.

In the mean time, i'll put together a fix for your SFC corruptions.

I'm really sorry about the delay again. I'll try to get my next posts to you ASAP. It's very difficult for me at the moment, as I am currently in the middle of 7 weeks of examinations, and these exams are used by universities to determine whether we get an offer. So basically, if I fail, I don't get into the universities I want to/any university at all.

Richard

tosime · May 13, 2013

View attachment CheckSUR.log View attachment CBS.zip View attachment SFCFix.txt

Hi Richard,

Very happy to hear from you again. I appreciate the work you have done despite the pressure of your exams. In fact, hearing about your exam pressure made me feel guilty. I wish you every success with your papers.

I hope I have followed your instructions properly.
I created and ran the .txt SFCFix Script:
I downloaded and ran the System Update Readiness Tool:
I then ran the sfc to get the logs

I think some of the new CheckSUR.log errors were due to unwanted files I deleted when cleaning out my hard drive.

I look forward to your fixes.

Tony

niemiro · May 15, 2013

tosime said:
View attachment 4073 View attachment 4074 View attachment 4075

Hi Richard,

Very happy to hear from you again. I appreciate the work you have done despite the pressure of your exams. In fact, hearing about your exam pressure made me feel guilty. I wish you every success with your papers.

I hope I have followed your instructions properly.
I created and ran the .txt SFCFix Script:
I downloaded and ran the System Update Readiness Tool:
I then ran the sfc to get the logs

I think some of the new CheckSUR.log errors were due to unwanted files I deleted when cleaning out my hard drive.

I look forward to your fixes.

Tony

Thank you for your concern, but no need to feel guilty! With some fixes taking several hours or more to create, I am sure you can understand how it becomes difficult to juggle a busy like with here and deliver timely responses to everyone. The problem is, if I don't answer, even slowly gnawing away at a growing backlog, I know that many threads will go completely unanswered. I try my hardest to solve as many threads as I can, but the problem is, there are just too many threads on too many forums for just two of us to handle. Anyway...

How full is your hard-disk? As a general rule, it really is not a good idea to delete any Windows files, even these ones. It sends SFC/Windows Update/CheckSUR etc. a bit crazy. If possible, I think that we should put them back. They are only 100MB. Does 100MB really make a big difference to you?

I have the 100MB files uploading now, but on my slow internet, it won't be uploaded until mid-morning tomorrow.

You don't have to take it, but I would recommend you do. Otherwise, you are free to go unless you have any other problems.

Richard

tosime · May 15, 2013

Thanks Richard,

I have a lot of space on my hard drive so I will install the Windows files.

Thanks for all your help. It has been a tremendous learning experience for me.

Tony

niemiro · May 16, 2013

Thank you.

Please run SFCFix Script and post logfile: https://www.dropbox.com/s/szck7vp6azfc27x/SFCFix.zip

:)

Richard

tosime · May 18, 2013

View attachment SFCFix.txt

I ran the script and have attached the log file.

Look forward to your assessment.

Tony

niemiro · May 19, 2013

Thanks a lot for that!

Not too bad, actually. The large majority of those failures are nothing to worry about (they shouldn't have showed up in the log, but it doesn't matter as there is nothing actually wrong). And the few lines which did actually fail were caused by me forgetting to quote paths with spaces

Your next and hopefully final SFCFix script awaits: https://www.dropbox.com/s/l8rmbsyy4lzo980/SFCFix2.zip

If you get only success messages from this script, please re-run SFC to check.

Richard

tosime · May 20, 2013

View attachment Tony Log Files.zip

Thanks again Richard.

I have attached the latest log files.

I would love to read an article that describes the general approach you have taken to resolve the corrupt system files problem. I am concerned that I do not repeat whatever I did that led to these problems.

I am not so sure it was a hard disk failure as I tested my old hard drives and found them to give better surface test readings than the new drive I installed in their place.

I think part of the problem is the huge number of applications I have installed on my PC. I have started uninstalling them. Currently installed programs stands at 552, total size 11.3 GB.

Look forward to hearing from you.

Tony

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sfc /scannow reports 6 files it cannot repair

jcgriff2

Co-Founder / Admin
BSOD Instructor/Expert
Microsoft MVP (Ret.)

tosime

Member

jcgriff2

Co-Founder / Admin
BSOD Instructor/Expert
Microsoft MVP (Ret.)

niemiro

Senior Administrator, Windows Update Expert

tosime

Member

tosime

Member

niemiro

Senior Administrator, Windows Update Expert

tosime

Member

niemiro

Senior Administrator, Windows Update Expert

tosime

Member

niemiro

Senior Administrator, Windows Update Expert

tosime

Member

niemiro

Senior Administrator, Windows Update Expert

tosime

Member

sfc /scannow reports 6 files it cannot repair

Co-Founder / AdminBSOD Instructor/ExpertMicrosoft MVP (Ret.)

Member

Co-Founder / AdminBSOD Instructor/ExpertMicrosoft MVP (Ret.)

Senior Administrator, Windows Update Expert

Member

Member

Senior Administrator, Windows Update Expert

Member

Senior Administrator, Windows Update Expert

Member

Senior Administrator, Windows Update Expert

Member

Senior Administrator, Windows Update Expert

Member

Co-Founder / Admin
BSOD Instructor/Expert
Microsoft MVP (Ret.)

Co-Founder / Admin
BSOD Instructor/Expert
Microsoft MVP (Ret.)