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suzismith85 12-15-2009 02:09 AM

Zip file corruption due to "WinZip Self-Extractor Zip file is damaged..” Error
A self extractor is an executable file or program that enables you to extract the archive. Talking about the WinZip self extractor, it allows you to extract the files from the zip archive even if you do not have WinZip or any other extraction utility installed in your system. But, there are times when you fail to extract the zip file and an error message appears. This problem generally occurs when the WinZip header gets corrupted. As a result, your data comes under threat of loss. It is therefore always recommended to maintain a backup file to use it in such disastrous situations. However, if the backup is unavailable, or corrupt, then you should use an efficient zip repair software to retrieve your data.

For instance – Sometimes, you may receive any of the following error messages when you double-click a file that was downloaded from a website:

"WinZip Self-Extractor Zip file is damaged, truncated, or has been changed since it was created. If you downloaded this file, try downloading again."


"WinZip Self-Extractor header corrupt. Possible cause: bad disk or file transfer error."

These error messages clearly state corruption or damage of the WinZip self-extractor, due to the zip file becomes unusable.


The above mentioned error messages might be the outcome of the following reasons:
  • If the zip file was not downloaded properly or download process could not complete.
  • If your system is infected by virus.
  • Another reason could be that the file was already corrupted before you downloaded it. This can happen due to network disruptions.


No matter whatever the cause may be, the matter of concern is to fix the issue before it gets too late. However, at this point, you can only try and resolve the issue by following the below mentioned measures:
  • Firstly, delete the damaged file and try to download the file from the website again. This may help you in resolving the issue.
  • However, if this does not work, then you need to opt for an advanced repair zip file application. These are sophisticated utilities that incorporate highly influential scanning mechanisms to repair and restore the zip file completely. Designed by highly qualified and experienced experts, these zip repair tools are easy to use and understand. Hence, no prior technical skills are required.

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