How To Remove CRC-SHA Entry From Context Menu In Windows 10

Windows is one of the most popular and widely used operating system around the world. According to recent reports, more than 88% of the PC users around the world uses Windows than any other OS. Windows is OS developed by Microsoft and it is one of the most flexible operating system available right now. If you are using Windows then you might already know about its features, but it you haven’t used it then you should try using it for once. The best thing about owning a Windows PC is that you get so many alternatives for single software. If you don’t want to buy a software for doing particular work, then you can find many free alternatives of it too. The latest Windows 10 includes all of the features and tools a basic user needs and it is said to be the most advanced version of Windows ever built.

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When we talk about Windows software and tools then there are some basic software which every user look for. Yes, there are some tools which you might need today, but one day you will need them for sure. One of them is archive file extractor, and 7-Zip is best tool for that. Whenever you download some multiple games on PC Windows, software, files, songs etc. from internet then most of time you will get them in archive file. Creating an archive of multiple files is one of the best way to share data as it compress the size of files and makes it small. There are some free options like WinRAR available but it does not open all kind of archive files. Another tool is WinZip, but it is paid and will stop working once trial period is over. So if you are looking for free archive opener tool then you can consider downloading 7-Zip tool.

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In the latest version of 7-Zip software you will get many new features as well. One of them is CRC-SHA entry in context menu. You can find entries like CRC-32 or CRC-64 or SHA-1, and SHA-256, etc. in context menu when you will install 7-Zip on your Windows. When you will install the latest version of 7-Zip in Windows 10/8.1/7 then two entries will be added in your context menu and those are 7-Zip, and CRC SHA. When you will click on CRC SHA the further more sub-entries will get displayed. Though these entries are added for security purposes but still many people don’t know about them, so they left unused. If you want to remove CRC SHA from context menu in Windows 10/8.1/7 then you can read the method mentioned below.

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What Is CRC?

CRC stands for Cyclic Redundancy Check and this is basically an error-detecting code which is being used worldwide in digital networks and storage devices. CRC is a security feature which can be used to detect accidental changes to raw data in archive files. A short check value is attached to the blocks of data that enters the system and this feature check them for authenticity. If the values mismatches then CRC takes appropriate action to fix that data corruption. So this feature can also be called as error correction feature as it helps you to fix broken archive files.

This technique was invented back in 1961 by W. Wesley Peterson and since then it is being used to check archive files. Do note that the check value of CRC method is also redundancy and its algorithm is based on cyclic codes. It keeps repeating the checking process so make sure the file is safe to open and won’t create any problem. Many zip archives are using this feature but 7-Zip is using this the most.

What Is SHA?

So you know about CRC now, and its time to tell you about what is SHA? SHA stands for Secure Hash Algorithms and it is developed by National Security Agency (NSA) and some by independent developers. These algorithms are built to increase cyber security and to provide protection to the users all around the world. Compressed files are more likely to have malicious things and they are responsible for most infections out there. To get rid of this problem SHA was built and published by the National Institute of Standards and Technology (NIST). So now you know that SHA algorithms were built to keep sensitive data safe and it does help in preventing various kind of attacks too. There are different versions of SHA released till now, you can find about them below:

 

SHA-0: The first SHA was published in 1993 and it was 160-bit hash function but later it was named SHA-0. Soon it was taken down and later got released with revised version SHA-1.

SHA-1: SHA-1 was designed was NSA and it works on MD5 algorithm. It was not approved for most cryptographic uses after 2010 so SHA-2 was developed.

SHA-2: This was more advanced version of hashing algorithm and it came with different block sizes which are known as SHA-256 and SHA-512. There were different in word sizes too as SHA-256 uses 32-bit words whereas SHA-512 uses 64-bit words.

SHA-3: In 2012, a hash function named Keccak was chosen to be used and it was developed by non-NSA designers. The internal structure of this algorithm is different from all of the previous SHA functions as it was selected in a public competition. Though it uses same hash lengths as SHA-2.

How To Remove CRC SHA From Context Menu In Windows 10/8.1/7

Now you know much about CRC and SHA, so its time to tell you about how to remove CRC-SHA from context menu. Do note that if you are the one who is searching for how to remove CRC error from external hard drive then also you can follow the method mentioned below. We will not recommend you to use this method if you are searching for how to remove CRC from rar files as this feature is to protect you from harmful compressed files. Still if you want to remove CRC SHA from context menu in Windows 10/8.1/7 completely, then just follow the steps mentioned below.

  • First of all click on Search button and type 7-Zip.
  • Now click on the 7-Zip app to open it.

  • Once opened you will have to click on Tools which you can find in menu bar.
  • Now under Tools you will have to click on Options.

  • A new pop-up will open your screen with many options related to 7-Zip app.
  • In the “Context menu items” you will find “CRC SHA >”
  • Simply uncheck the checkbox labelled CRC SHA >, and then click on Apply.

  • You may get an error pop-up on your screen with “An event was unable to invoke any of the subscribers”
  • If you are getting this error then just click on OK and you will be able to remove CRC-SHA from the context menu entry.

By following above mentioned steps you will be able to fix CRC SHA context menu Windows 7/8.1/10 easily. Though by doing this CRC SHA option will be removed for sure but still if you are still getting CRC-SHA option then restart your system once. After restarting this entry will be gone completely.

Final Words:

As we told earlier that CRC SHA is a security feature but as most of the people doesn’t know about it they start looking for guides on how to remove CRC SHA from context menu in Windows 10. That’s why we thought to post about it on this blog and we hope you are able to remove CRC SHA from Windows context menu of yours. Do note that this method works for all version of Windows, so if you are the one who is looking for ways to fix CRC SHA context menu Windows 7 then you can also try this method. Though steps are very clear and easy to do and one can easily do it without any assistance. If you are not able to remove CRC SHA from context menu then you can let us know about it via comments below. We will tell you step by step procedure on how to remove CRC-SHA and get this job done for you. Well, there might be some more tools or ways available to fix CRC SHA from Windows context menu, but above mentioned Windows 8 CRC-SHA context menu removal guide is simplest among them.

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