bad Crc Error Message While Extracting Zip File

Cyclic Redundancy Check is a method of detecting and correcting errors by adding bits derived from a block or string of bits to the block

. Sometimes, you may encounter some errors related to Cycle Redundancy Check while extracting the zip file. This happens due to virus attack, improper or incomplete downloading, network hardware problems, etc. These errors can cause severe damage to your zip file leading to file corruption and inaccessibility of data. In such a situation, you need a valid data backup file to restore your data. However, if the backup is not available, even then you will be able to restore all your data using a powerful repair zip file software.

For instance After downloading a zip file, when you try to extract it, the process fails and you receive below mentioned error message:

Corrupt Zip File

OR

Bad CRC

These error messages appear when you try to unzip the zipped archives in your computer system. After this error message flashes, you fail to access any of the files stored in the zipped or compressed folder.

Cause:

The above mentioned error message occurs due to corruption or damage of zip file. In a zip file, when a file is added, WinZip calculates the CRC value and saves it in the zip file. Further, when a zip file is extracted, the value of the extracted file is calculated by WinZip. Then, WinZip compares this value with the previous value. And if the two do not match, then the error message appears.

Resolution:

Consider the following measures to resolve the issue:

Download the Zip file again and then try to extract files. It is possible that files might get extracted without errors.

If not, then the only way out for you would be to repair corrupted Zip file using zip recovery solutions. The advanced zip repair applications employ high-end scanning mechanisms to ensure systematic repair of the Zip file to retrieve your data. Embedded with interactive graphical user interface, these tools are easy to use and understand, hence do not require any prior technical skills.

by: suzismith

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