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Need some help with file corruption


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#1 HDTF

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Posted 13 November 2013 - 05:24 PM

I come to this subforum from the Malware forum.  My computer has been thoroughly examined by the experts there and we are confident that no malware is the issue here. Please help with the issue below!
 
My computer recently has started not letting me open certain files, whether on my hard drive/desktop, or on a portable hard drive plugged in via USB.  Sometimes it's jpg's, sometimes it is .doc, .xls files, .pdf etc....
 
In the case of a photo, it doesn't give a thumbnail preview when opening a folder, and when clicking to open, gives me the message: "Windows photo viewer cannot open this picture because the file appears to be damaged, corrupted, or is too large".  If it's a PDF, or a doc, it says it is an "unsupported file type" or the file has been damaged.  If it's a .DOC or .XLS it will try to open some document converter in those programs and then can't open it. It's not a drive issue (hardware) because it started happening on both the c drive and the external drives at the same time.
 

Again, this is occurring on multiple drives and it all started at once, so I don't think it's problems with any particular drive. Some directories are fine and do not exhibit the problem. (for instance, on the external drive, some folders containing images are fine, while others are not, even though the images in the ok directories may be larger than the ones where there are problems).  Also, it doesn't seem to be isolated to certain directories - for instance..... on the C drive (Desktop, specifically), I can open a folder containing photos.... and only 1 of the 15 has the problem.  The other 14 display their thumbnail fine, and open fine, but the 1 is having the problem seen in the attached screenshots - no thumb preview, and unable to open. Also, some Word Doc's on the desktop open fine, while others are showing the craziness displayed in photo attachment #1 (Problem1-WordDoc.jpg).

 

So....I have a few questions....
1) - The malware experts say the problem appears to be "damaged files".  Well, how were they damaged? I didn't do anything out of the ordinary. This is a business computer.... I stay away from risqué sites.

2) - Why did this begin happening on different drives at the same time?

3) - why are some files affected but others are not, even in the same directory?

4) - Can anything be done to get these files back?

 

Thanks in advance for your help.



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#2 HDTF

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Posted 13 November 2013 - 05:26 PM

There doesn't seem to be an attachment button in this forum.... so I can't show the screenshots.  Any suggestions?


#3 David D

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Posted 13 November 2013 - 06:00 PM

You can copy and paste the picture into the reply.

 

Can you use a different computer and try to open one of the "damaged" files on the removable drive to verify that it is not a problem with the file?



#4 jhayz

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Posted 13 November 2013 - 07:52 PM

The most prevalent reasons that files suddenly or becomes corrupted are due to unstable and bad sector(s) on your hard drive(s). Fragmentation, disk activity such as read/write, old age, thermal events and unproper shutdown (PC) and removal of drives are some of the known hardware related causes of data corruption. As suggested by David, try using a different computer in order to check the difference. Use also the Windows Error Checking Tool to correct system and unstable sectors, hopefully this would clear your problem. The Windows utility could also be used for your external storage drives. To be clear also, a double backup of important data on different storage is essential.


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#5 HDTF

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Posted 14 November 2013 - 03:22 AM

I have confirmed that I cannot open the files on other computers, whether by network, or by attaching the external drives directly to the other computers.

 

I have also run the Windows Error Checking Tool from the link you provided, and that failed to find any problems.

 

Any other suggestions?

 

Thanks again in advance for help. 



#6 cora10412

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Posted 14 November 2013 - 05:31 AM

maybe the program which is used for opening files and picture is out of date or you install the unsuitable version. you can try to download a new one from the authoritative websites on your computer.



#7 nikku

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Posted 14 November 2013 - 05:47 AM

 Log Name:      Application

Source:        Application Error
Date:          11/14/2013 2:54:33 PM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      user-PC
Description:
Faulting application name: iexplore.exe, version: 8.0.7600.16385, time stamp: 0x4a5bc69e
Faulting module name: msxml3.dll, version: 8.110.7600.16385, time stamp: 0x4a5bda78
Exception code: 0xc0000005
Fault offset: 0x0002e65f
Faulting process id: 0xcc0
Faulting application start time: 0x01cee11af2e424b2
Faulting application path: C:\Program Files (x86)\Internet Explorer\iexplore.exe
Faulting module path: C:\Windows\System32\msxml3.dll
Report Id: 91c067a7-4d0e-11e3-899d-002219f4c24d
Event Xml:
  <System>
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <Level>2</Level>
    <Task>100</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-11-14T09:24:33.000000000Z" />
    <EventRecordID>802</EventRecordID>
    <Channel>Application</Channel>
    <Computer>user-PC</Computer>
    <Security />
  </System>
  <EventData>
    <Data>iexplore.exe</Data>
    <Data>8.0.7600.16385</Data>
    <Data>4a5bc69e</Data>
    <Data>msxml3.dll</Data>
    <Data>8.110.7600.16385</Data>
    <Data>4a5bda78</Data>
    <Data>c0000005</Data>
    <Data>0002e65f</Data>
    <Data>cc0</Data>
    <Data>01cee11af2e424b2</Data>
    <Data>C:\Program Files (x86)\Internet Explorer\iexplore.exe</Data>
    <Data>C:\Windows\System32\msxml3.dll</Data>
    <Data>91c067a7-4d0e-11e3-899d-002219f4c24d</Data>
  </EventData>
</Event>

 

 Log Name:      Application

Source:        Application Error
Date:          11/14/2013 2:54:33 PM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      user-PC
Description:
Faulting application name: iexplore.exe, version: 8.0.7600.16385, time stamp: 0x4a5bc69e
Faulting module name: msxml3.dll, version: 8.110.7600.16385, time stamp: 0x4a5bda78
Exception code: 0xc0000005
Fault offset: 0x0002e65f
Faulting process id: 0xcc0
Faulting application start time: 0x01cee11af2e424b2
Faulting application path: C:\Program Files (x86)\Internet Explorer\iexplore.exe
Faulting module path: C:\Windows\System32\msxml3.dll
Report Id: 91c067a7-4d0e-11e3-899d-002219f4c24d
Event Xml:
  <System>
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <Level>2</Level>
    <Task>100</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-11-14T09:24:33.000000000Z" />
    <EventRecordID>802</EventRecordID>
    <Channel>Application</Channel>
    <Computer>user-PC</Computer>
    <Security />
  </System>
  <EventData>
    <Data>iexplore.exe</Data>
    <Data>8.0.7600.16385</Data>
    <Data>4a5bc69e</Data>
    <Data>msxml3.dll</Data>
    <Data>8.110.7600.16385</Data>
    <Data>4a5bda78</Data>
    <Data>c0000005</Data>
    <Data>0002e65f</Data>
    <Data>cc0</Data>
    <Data>01cee11af2e424b2</Data>
    <Data>C:\Program Files (x86)\Internet Explorer\iexplore.exe</Data>
    <Data>C:\Windows\System32\msxml3.dll</Data>
    <Data>91c067a7-4d0e-11e3-899d-002219f4c24d</Data>
  </EventData>
</Event>

 

experiencing BSOD

please help me out 



#8 David D

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Posted 14 November 2013 - 07:45 AM

Since you cannot open the file on another computer, that suggests that the file in fact corrupt. Have you had any other problems with your computer?



#9 HDTF

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Posted 14 November 2013 - 08:25 PM

Since you cannot open the file on another computer, that suggests that the file in fact corrupt. Have you had any other problems with your computer?

 

No, I have not.  All the malware and virus scans (including by professionals on this forum) have come up clean.  Is there no way to recover/fix these corrupted files?



#10 eaglewings35

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Posted 14 November 2013 - 08:59 PM

Have you tried doing a system restore? You may have to restore to a point prior
and then see if it was a program that downloaded improperly.

#11 jhayz

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Posted 14 November 2013 - 09:46 PM

Regarding Microsoft documents, there are repair methods available such as this but with regards to jpg formats, not sure if there is one existing though.


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#12 davnel

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Posted 15 November 2013 - 01:07 AM

The only thing I can think of, assuming all of the software approaches check clean, as they appear to, is an intermittent hardware problem, or possibly a weak or failing power supply. Check all cables and memory modules for proper seating. You can check the power supply voltages in the BIOS setup program. None of this will fix the busted files, but at least it won't happen again.

As for recovering damaged files, once they're damaged it's difficult to correct them. What it means is that some clusters have been corrupted and, unless you have good backups, there's no way to reconstruct them. Word and Excel files can be looked at with a good, plain text editor like SuperEdi or Wordpad, so you can at least see what's damaged. Images are already seemingly random gobbledegook, so they're impossible to figure out. Most of these files will appear to be random characters. If you see sudden blocks of differing, unrelated content, such as parts of text files, it means something has partially overwritten them, pointing back to a possible hardware problem.
.

Edited by davnel, 15 November 2013 - 01:09 AM.


#13 HDTF

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Posted 18 November 2013 - 12:19 AM

I have been away for a few days due to illness.  Thanks to all.  I will try some of these things and report back.  Thank you.






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