This is the response i had yesterday from TOMTOM Customer Support;
"Thank you for the update with regards to the issue. This is ........ again.
Unfortunately we are currently experiencing technical difficulties with Fuel Prices and you may be encountering errors while downloading or using them.
Upon attempting to use Fuel Prices on your device, an error may come up on the screen.
Downloading Fuel Prices updates may come up with a ‘This file is invalid (archive file)’ error. Please deselect Fuel Prices in your list of updates for the time being and carry on updating your other items as normal.
The issue is currently under investigation and we hope to restore functionality soon.
Apologies for the inconvenience caused and thank you for your understanding.
With Kind Regards"
I tried to download again this morning ans had the same problem.