Monday, June 21, 2010

Repairing corrupted ZIP in Windows XP system

In Windows XP, there is the in-built Compressed (zipped) Folder feature that enables you to compress files and folders in the form of ZIP files. This feature, particularly, helps in decreasing the space on the disk and making it quicker to send the ZIP file to other computers. However, at times some corruption case may rise time and again. Such cases can appear because of various reasons such as virus infections, interruptions while downloading the file, etc. In such cases, you should perform appropriate methods to resolve the issue. However, if you are unable to do so then you should use a third-party ZIP repair software to repair ZIP file.

Consider a scenario wherein you have a Windows XP system. In this, you use the Compressed (zipped) Folders feature to compress your files and folders. One day when you download a zipped file by clicking a hyperlink on a Web page. When you try to extract the ZIP file after downloading it, you encounter the following error message:

“The Compressed (zipped) Folder is invalid or corrupted.”

Cause:
The aforementioned behavior of the ZIP file is possible because of the following two cases:
  • The Confirm open after download check box is not selected.
  • The link to which the hyperlink is pointing is uses either an ASP (Active Server Pages) or CGI (Common Gateway Interface) file. You open the file from its current location in the File Download dialog box.
In such situations, Internet Explorer does not save the files properly after downloading them to the Temporary Internet Files folder on the hard disk.

Resolution:
To resolve this erroneous situation for both the cases, you should perform the following methods, respectively:
Case 1:
  • Open Control Panel.
  • Open Folder Options.
  • Click the File Types tab and click the .zip extension.
  • Click the Advanced button. The Edit File Type dialog box will be displayed.
  • Select the Confirm open after download check box, if it is not selected.
  • Click OK to save the settings.
Case 2:
  • Click the hyperlink, and then click Save when the File Download dialog box is displayed.
  • Select a location in the Save As dialog box, and click Save.
  • After downloading the file, open the ZIP file and extract the zipped files.
The aforementioned methods would be able to resolve the tricky situation. However, if you still are not able to address the situation then you should use a third-party ZIP recovery software to do the needful for you. Such read-only tools are able to repair ZIP file without overwriting the original contents.

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