cyclic redundancy check

[VascoVicenza]

Good evening,
It happens that during the backup of some files an error is generated (cyclic redundancy check).
What does it mean ?
How can I intervene?

[cobian]

Is the backup compressed?

[Ushavilash]

Yes I'm having the same problem. What should I do?

[cobian]

If the backup is compressed, select 7zip instead of zip.