WinRAR Checksum Error It can happen due to: When the Archive is corrupted and incomplete, then it is called a Checksum error. This is due to many reasons, such as:
Due to downloading interruptions.
Damaged and loss of storage devices.
Many problems and errors with split RAR files.
To fix it:
Download the file again and again.
Under the Tools menu, you will “Repair Archive” option, yews it to solve this problem.
Before extraction, you have to check whether all the parts of a multi-volume archive are available or not.
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