[ubuntu-uk] Strange behaviour during LTS upgrade

[Barry Titterton]

Hi All,

Last week I upgraded my laptop from 10.04 to 12.04.1 using the Update
Manager. Several times during the installation phase I had windows pop
up asking me if I wanted to over write a file that had been manually
altered. I know that this is normal behaviour but on two other occasions
I had pop up windows, similar in style to the file over-write questions,
where all of the text in the window was in the form of outline
rectangles, in the same way the system will display a foreign language
script if you do not have the correct font installed. For example:

ٱٱٱٱٱٱٱ ٱٱٱ

Has anyone else seen this behaviour or do they know why it happened?

The upgrade completed without any problems and the machine has been
working for several days without any issues.

Barry T.