Error message “The CRC in GZip footer does not match the CRC…”
Applies to: 2018, v.5
Article ID: KB100051
Last Modification: April 15, 2017
If the message The CRC in GZip footer does not match the CRC calculated from the decompressed data appears when trying to open a map, the map is damaged. You cannot open a damaged map. Reasons (and remedies) for damage may be:
You have downloaded the map from a website or e-mail message, but incompletely so. Delete the map and download again or ask the sender to resend.
The file system of the volume is inconsistent, causing the map to be saved in a corrupt state or incompletely. Restore an older version from your backup, shadow copy (PC) or from Time Machine (Mac).
An issue occurred in the program. If you suspect this cause, please contact eminec customer support.