yzfvie, I don't know if this will fix your problem, but it is worth a shot. It is possible that the file in your cache is corrupted some how, so lets clean out your cache with the following command: sudo apt-get clean
Then run the update manager again and see if you have success.
yzfvie, I don't know if this will fix your problem, but it is worth a shot. It is possible that the file in your cache is corrupted some how, so lets clean out your cache with the following command: sudo apt-get clean
Then run the update manager again and see if you have success.