Rectifying “End-of-central-directory...” Error While Opening Zip Files

Zip file is one of most common ways of saving your hard drive space. A normal Zip file contains numerous files and directories stored in arbitrarily format. The file format of any Zip file, however, is sequential and consists of an extended file header, central file directory, and local file header. Corruption of any one of the three components of a Zip file format results in an error message, which makes the data saved in the file inaccessible. In such cases, if the user needs to access the Zip file, then s/he needs to restore the Zip file from a valid backup. However, in case of backup inaccessibility, unavailability, or corruption, the user needs to opt for a commercial repair zip file application.

A detailed analysis of the above problem can be explained with the help of the below error message:

“End-of-central-directory signature not found. Either this file is not a zip file, or it constitutes one disk of a multi-part archive ”

The above error message appears when you try to open a Zip file. After the error message appears, the Zip file becomes unreadable.

Cause:
The above error message appears when the central directory structure of the Zip file is corrupted or damaged. Few major reasons responsible for the corruption of central directory structure can be improper system shutdown when the Zip file is open, virus attack, and problem with network.

Resolution:
To get over the above error message and to unzip the Zip file, in case of unavailability of backup, you need to search for a powerful third-party Zip File Repair tool. Such repair utilities are most effective in repairing all kinds of logically corrupted Zip files. The repair applications can repair zip files in few simple steps and also allow the user to restore the repaired file at required destination. In addition, these tools are built with a wizard-style interface that makes them easily understandable, even for those without any prior zip file repair experience.

Recover Zip File after Packet Data Loss

These days file compression tools such as WinZip, WinRAR are used extensively to save valuable disk space. These tools save considerable amount of space by using a number of efficient compression algorithms. You can also use these tools to zip a file and send it across over the Internet to the intended recipients. However, sometimes it does happen that such files, when downloaded from the Internet do not open correctly. This can happen because of some loss of data while downloading the file from the Internet called interruptions or hiccups. In such case, you can delete the downloaded file and try to download it again. If the file is still not opening properly, then you can use an effective and robust zip repair tool.

Consider a scenario wherein one of your friends has zipped his vacation photographs and mailed it to you. The Internet connection is slow and when you finally open the file after downloading, it does not open correctly and an error message is displayed, that is:

“The specified Zip file is corrupted.”

Cause:
I am pretty sure that in such case you may wonder what this is all about. You may think that this file is a corrupted one and your friend may have played some prank on you. You may be right, but only partially. One of the possible causes for this file not to open correctly is that the file may not have downloaded properly due to some interruptions while downloading it. This is known as Packet Loss and it could have made the invalid file structure. This would mean that even if the file is downloaded correctly up to 99%, you would not be able to view it properly.

Resolution:
Unfortunately, the file compression tools do not provide the feature to repair and recover the corrupted file. Zip Repair Tool does not require any prior technical knowledge and repair .zip files while maintaining the safety of the data.

Causes and Resolutions For NTFS Boot Sector Damage

Partition Boot Sector comprises of critical information used by MBR (Master Boot Record) to boot an NTFS (New Technology File System) partition. This first sector of NTFS partition consists of various entries used at the time of booting. These entries get modified or changed when the Boot Sector gets damaged. Once the Boot Sector gets corrupted, the NTFS partition becomes unbootable, resulting in inaccessibility of all the files/folders saved in NTFS partition. In such cases, data saved in the NTFS partition can be accessed by restoring it from an updated backup. But in the absence of an updated backup or backup falling short of restoring the required files, you will need to opt for an effective file recovery software such as bkf recovery softwares, zip recovery softwares etc.

To elaborate the above error message, consider the below error message that appears while booting NTFS volume:

“Non System Disk”
Or
“Disk Error...”

After any of the above error messages appears, data saved in the NTFS hard drive volume becomes inaccessible.

Cause:
Corruption in NTFS boot sector occurs because of improper system shutdown, virus infection, and file system damage.

Resolution:
To resolve above error message caused due to NTFS boot sector corruption, you need to follow the below guidelines:

• Restore MBR/Boot Sector from an updated backup.
• In case of unavailability of updated backup, search for a duplicate boot sector.
• In the absence of a duplicate boot sector, follow the below mentioned steps:

1.Insert Windows CD, and select 'Repair'.
2.Run 'Recovery Console'.
3.Run 'FIXBOOT' command to fix the boot sector.

• In case, the above steps fail to resolve the above error messages, you will need to use reinstall the Windows operating system. This allows you to overcome the above error messages, but also deletes the data from the NTFS hard drive partition. For complete recovery of all the data post re-installation, you will need to search for a commercial File Recovery tool. File Recovery Softwares repair zip file, ppt files and other files after all kinds of logical crashes.

Recover Zip File after Packet Data Loss

These days file compression tools such as WinZip, WinRAR are used extensively to save valuable disk space. These tools save considerable amount of space by using a number of efficient compression algorithms. You can also use these tools to zip a file and send it across over the Internet to the intended recipients. However, sometimes it does happen that such files, when downloaded from the Internet do not open correctly. This can happen because of some loss of data while downloading the file from the Internet called interruptions or hiccups. In such case, you can delete the downloaded file and try to download it again. If the file is still not opening properly, then you can use an effective and robust zip repair tool.

Consider a scenario wherein one of your friends has zipped his vacation photographs and mailed it to you. The Internet connection is slow and when you finally open the file after downloading, it does not open correctly and an error message is displayed, that is:

“The specified Zip file is corrupted.”

Cause:
I am pretty sure that in such case you may wonder what this is all about. You may think that this file is a corrupted one and your friend may have played some prank on you. You may be right, but only partially. One of the possible causes for this file not to open correctly is that the file may not have downloaded properly due to some interruptions while downloading it. This is known as Packet Loss and it could have made the invalid file structure. This would mean that even if the file is downloaded correctly up to 99%, you would not be able to view it properly.

Resolution:
Unfortunately, the file compression tools do not provide the feature to repair and recover the corrupted file. Zip Repair Tool does not require any prior technical knowledge and repair .zip files while maintaining the safety of the data.