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Thursday, December 29, 2011

How to solve error “invalid jpeg marker” of corrupt JPEG images

Xee jpegImage via Wikipedia
This is a usual case, at the time of formatting a hard drive you move your important files, images and documents in other drive or disk, so that they could not accidentally get deleted. After formatting when you try to open your documents and images, you get an error message which says that files could not open due to certain reasons. In the case of JPEG images you get error message “invalid jpeg marker” and you could not open your valuable images. This is the case of JPEG file corruption and you need to apply some jpeg repair method or JPEG recovery software to fix your problem.
In some case of JPEG image corruption you are able to see thumbnail of the images but these images could not open. There is no specific reason for above problem. It can be due to virus attack, missing some files, header corruption or change in file extension etc.
Below few methods are written which you can try…
  1. It might be possible that file extension of all JPEG files are get changed. It is advisable that please check file extension it must me .jpg or jpeg (in the case of JPEG files).
  2. Try to open these images with Photoshop then save images in JPEG format.
  3. Sometimes it is due to image viewer’s problem, so try to open images in different image viewer.
  4. Try to open these images through web browser.

If your problem persists after applying these methods then you need to use some JPEG repair software to repair corrupt JPEG files. First use demo version of these tools, in demo version you are able to see recoverable images. If you are satisfied with result then go with full version.
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Monday, December 26, 2011

Recover Data from corrput PDF file by copy data from a damaged fileinto a new file


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PDF files are known as one of the most secure data files because owner can set different access levels for different type of uses. PDF documents need less memory space than other documents so these can be easily send through email. But these secure acrobat pdf documents may get corrupt at the time of download or upload. In the case of PDF file corruption there are two possibilities 1) Corrupt file will open but original data will not shown 2) Corrupt file will not open.
In both type of corruption you need to apply some PDF repair methods or use PDF recovery software to access your original data.

Few methods are available to repair corrupt PDF documents. You can copy and paste corrupt data in to new file is one such method. This method works for few cases not for severely damaged cases.

Following are the steps to apply above method..

  1. Open the damaged file, and then choose Object > Path > Cleanup to remove unwanted items (for example, stray points, unpainted objects, empty text paths) from the artwork. 

  2. If the original file contains multiple layers, choose Paste Remembers Layers from the Layers Panel pop-up menu to ensure the artwork appears on the same layers when you paste it into the new file. 

  3. Using the Selection tool, drag a marquee around the artwork. 

  4. Choose Edit > Copy. 

  5. Choose File > New to create a new file. 

  6. In the new file, choose Edit > Paste In Front to paste the artwork in the correct position on the page. 

  7. Choose File > Save.
This method will probably repair your corrupt PDF file. In case this method didn't work for you then use appropriate PDF repair software to get access of original data. You need to select an advanced repair tool which is compatible with your system configuration.
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Easy way to Repair Corrupt Word File


It may be possible you too have experienced the same, while working on some important MS word document suddenly your system get shut down due to power failure or any other reason. Next time when you open your word document it shows some error which says document file is unable to open in MS word. Your all attempt to open that file may get failed due to file get severely damaged. As solution you need to apply some recovery method or word recovery tool to repair corrupt word document.

Microsoft office support offer few methods to repair severely damaged word documents. One such method is Insert corrupt word document as a file in new word document. This methods work perfectly in several corruption cases but not in all. Recovery of your word file will depend on how severely files damaged. Follow the steps given below to apply above method...


  1. On the File menu, click New.

  1. Select Blank document.

  1. On the Insert menu, click File.


  1. In the Insert File dialog box, locate and select the damaged document, and then click Insert.

In most of cases by clicking on insert button you could open your corrupt file, but in some cases this method could not able to repair your corrupt word document. For these cases you need to apply some other method for word repair like use word recovery software which is compatible with your system configuration. Word repair software are safe method to repair damaged doc or docx file.
 

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How to use command line add-on to repair invalid zip files

WinZip Computing Inc. logo
Image via Wikipedia

Zipped file make it much easier to send and receive large files through e-mails. With the use of compressed files format (like .zip) we can convert large files into small files that can be sending via e-mail. But these zip file may get corrupt due to several reason like virus attack, at the time of attachment with slow Internet; improper downloading of zipped files etc. In the file zip corruption situation you cannot access your data which is present inside zipped file. In that case you need to use some repair method or use zip recovery software to repair corrupt zipped file.

WinZip offers several methods to repair corrupt .zip or .zipx files depend of corruption cases. Invalid zip file corruption case can be handled by WinZip Command Line Support Add-On. But this command line support add-on not support of all version of WinZip it works for WinZip 10.0 and later versions. Depends on your version of WinZip you can download appropriate version of command line support add-on from here.

Follow the steps written below to use command line support add on...

  1. Click Start, click All Programs, and click Accessories
  2. Right click Command Prompt and choose Run as administrator
    (Windows XP: Left click Command Prompt)
  3. Change directories to the folder where the corrupted Zip file is located.
  4. Type: "C:\Program Files\WinZip\wzzip" -yf zipfile.zip
You can use below written command if zip file is split or spanned

"C:\Program Files\WinZip\wzzip" -yfs zipfile.zip

WZZIP will create a new Zip file with a fixed suffix in the file name. The original Zip file will not be modified. Only the data in the original Zip file is used. I am sure that above method will fix your Invalid zip file problem. For any reason if above method didn't work for you then use some zip recovery software which is compatible with your system configuration to solve the problem.
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Thursday, December 15, 2011

How To Use External References To link To Repair The Corrupted Exce File


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There are two types of corrupt MS excel files. First one those can be open and the second one those can't be open. Files those are get open are little bit easy to repair with the use of “open and repair” utility of MS excel. But It is quite difficult to repair corrupt excel files which can't be open. You need to use some third party excel repair software or apply some special methods to repair these types of files.

Microsoft provides few methods to open corrupt excel files which can't open one such method is “Use external references to link to the corrupted file”. But there are some limitations with this method. It doesn't recover formulas or values from the workbook, it only recover data. So use this method when you want to retrieve only data part of excel workbook.

Follow the steps given below:


  1. On the File menu, click Open. Then, browse from the current folder to the folder that contains the damaged file, and click Cancel.

  1. Click New on the File menu, click File, and then click OK.

  1. Type =File Name!A1 in cell A1 of the new workbook, where File Name is the name of the damaged workbook. If the Select Sheet dialog box appears, select the appropriate sheet, and click OK.

  1. Select cell A1, and on the Edit menu, click Edit. Then, select an area that is approximately the same size as the range of cells that contain data in the damaged file, and then click Paste on the Edit menu.

  1. With the range of cells still selected, click Copy on the Edit menu.

  1. On the Edit menu, click Paste Special, select Values, and click OK.


These steps remove the links to the damaged file and leave only the data. In most of the cases this method works perfect but it might be possible that in some corruption cases this method will not work. In those corruption cases use third-party excel recovery software to fix your problem.
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Tuesday, December 13, 2011

How to fix MS excel 2010 error “The file is corrupt cannot be opened”

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After installing updated version of Microsoft office 2010, it may possible that documents created in lower version of MS office will not open. These errors are quite often with MS excel 2010. when you tried to open excel (.xls) file with MS excel 2010 which are created in MS excel 2007 or 2003, a error message “The file is corrupt cannot be opened” will pop up and you will not able to access your excel spreadsheet. In the above case their are two possibilities 1) Excel file actually get corrupt or 2) It is Microsoft office 2010 error. If excel files actually get corrupt then you need a excel repair software to fix it. For second reason Microsoft provide solution.

If you excel file opens perfectly in MS excel 2007 or 2003 but could open in MS office 2010 then you can fix it with below written methods.

Method 1: In this method you need to change and repair MS office 2010.

  1. Click Start, click Control Panel, click Programs, and then click Uninstall a program under Programs and Features.
  2. Select Microsoft Office.
  3. Click Change, and then wait while the change and repair is carried out.
  4. Exit after the process is completed.
  5. Double-click the Excel file that you want to open or open the file through an HTML link as you could by using previous versions of the program.



Method 2: In this method you need to change some file block setting which are responsible to open any files.
  1. Open MS Excel and click on File.
  2. In File menu click on Options.

  3. Then click on Trust Center --> Trust Center Settings.

  4. Then go to File Block Settings and uncheck Excel 97-2003 and Excel 2007.

One of these methods will most probably fix above written error message. If above methods didn't solve your problem then you need to contact MS office 2010 support team or you can try Excel recovery software to fix your problem.
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