A checksum is a way to ensure that a file is not altered. It is a mahmatical value that will be radically different if even the slightest change is made to the file.

When you start your system, first, it performs the checksum test of the BIOS. If the checksum test is incorrect, it is assumed that the BIOS is corrupt and the hidden ...

You are trying to install a game or software on your Windows, and suddenly, you encounter An error that occurred while unpacking; It does not match the checksum ...