/app-install-data-commercial_9.1_all.deb Size mismatch

Binary package hint: app-install-data-commercial

The update manager, as it should do, comes up stating there are new updates.

Following the process to install them as usual, all the updates download and install perfectly fine and as expected with the exception of app-install-data-commercial it states the reason as being a size mismatch, I don't feel this is overly important and it may even not be looked at as it is proposed. I just felt I ought to put a bug report in, so if indeed others have a similar problem.

The full error message is as follows:

W: Failed to fetch http://gb.archive.ubuntu.com/ubuntu/pool/main/a/app-install-data-commercial/app-install-data-commercial_9.1_all.deb Size mismatch

A simple fix is to download the package manually and use gdebi to install.