Know How to Fix CRC Failed RAR File in Easy Steps

repair crc failed rar fileIn case you are not able to open a RAR file that has been downloaded over internet. Such situation indicates either the file is corrupted or the original file itself is not completely downloaded.

Other prominent case which leads to RAR files inaccessible is CRC error.

CRC error or cyclic redundancy check is an error detecting technique. When you transfer a file from one system to other or download a file from internet, your computer makes a calculation for all the data in the file to ensure originality. Computer compares the CRC value of the original file to the value of the file being transferred to another system. If these two values differ, the file that was transmitted does not match the original file, and your computer displays a CRC error message.

Even a bit of mismatch can produce CRC error. So it has become utter urgency to know how to fix crc failed RAR file.

CRC error and RAR

Some typical causes of CRC error are noise on the line (sometimes called burst errors and most CRC algorithms will account for some classes of this type but not large amounts).

The sender and receiver not using the same CRC algorithm (rare but it does happen).

Some other possible causes include exposure of media to excessive temperatures or magnetic fields, cross linked disk sectors, and mechanical problems with disk drives.

CRC errors are mostly associated with compressed file such as RAR or Zip. RAR files often loose its originality and fail in CRC check because of the missing or decay able segments.

As RAR files works by extracting the segments of files and then adjourning it, hence CRC becomes more redundant issue.

How to Fix RAR file that fails in CRC error test?

The best solution to the problem is to try to obtain another copy of the file. For example, use your backup copy of the file or get a new copy from the original source. If you obtained the RAR file by downloading it, then downloading it again will almost always solve the problem.

If you cannot obtain a new copy of the compressed file, try to obtain individual segments of the RAR file that is recoverable. Standard procedure is whenever CRC error pops out before clicking on OK button try to locate the file and save a copy of that file in another location. When you click OK, the partially extracted file will be deleted from the target folder, but the copy of the file you made in the other folder will still be there.

The catch is you have some missing data in this file which is recoverable by using third party software.

That’s all about Repair crc failed RAR file, in today`s article.

Ways to repair corrupted RAR Archive file

A RAR file can be a compressed type of files that may be made up of WinRAR software. RAR could be a new extendable based on the WinRAR application. The RAR file is similar to an archive that may have some of other files like xlsx, bmp, doc, jpg, tiff etc. in compressed form in order that they take less space and could be downloaded or emailed quicker. RAR files are usually acquainted to transfer the files in compressed form through online. Therefore, there are many more odds of RAR Archive file corruption. You may think how to repair this file as you could have important data in it.

Following could possibly be the some common factors behind RAR file corruption

Interruption while downloading or extracting the RAR file

When you try to open downloaded RAR file on your hard drive, you can find an error message like “Could not open D:\data\abc.RAR”. The key reason with this dilemma is either the RAR file is downloaded incompletely or net connection is fairly low which means that your RAR file has been corrupted. If sudden power failure occurs or you accidentally shutdown the system while extracting contents from the RAR file then you may see in the RAR file corruption. Sometimes, you may even get CRC errors while extracting the data from RAR files that makes your RAR file unreadable.

File Header corruption

The file header offers the entire specifics of that file. If the file header gets corrupted you will get “Header Corrupt” error message, which will not permit you to access the contents as a result. The RAR file header might get corrupted on account of virus attacks, power surge problems and file header editing utilities.

Central directory corruption

Whenever a central directory gets corrupted or missing, you might encounter “End of central directory signature not found” error message. Central directory is situated in RAR file structure, which stores within the set of files which is often compressed and held in the RAR Archive file. A RAR files could be identified by the presence of central directory only. If central directory is corrupted then your RAR files become unreadable.

Virus attacks

Viruses, worms or spyware might also corrupt your RAR files. Viruses may duplicate and destroy the data and quite often it will delete the file causing data loss. Therefore, make use of an effective antivirus put in to avoid data loss.

In any of these cases there’s no need to stress how to repair RAR archive file since you can employ relevant repair tools to repair file corruption issue. RAR repair programs are strong repair tool that will repair and recover the things from severely corrupted or damaged RAR files. This software may also repair RAR files after CRC errors. Additionally, this tool can be useful for repairing RAR files, which are highly encrypted using passwords. It is possible to repair your corrupted RAR file using simple measures.

Download free demo form of the RAR repair software and after that launch it. After launching this program, browse RAR files through hitting “Browse” button to find that the corrupt RAR file and after that click “Repair” button to initiate the repair process. Once you delighted by the actual result obtained through the trial sort of the application, purchase license key of the software.