Here's a weird one for you.
We've got a c# interface that's been running since the beginning of the year without problem on a windows XP (32bit) PC. We've just upgraded the PC to windows 7 (64bit) with apps installed by SCCM.
With the latest run the dates in the text area have started appearing in US format (5/2/2014) instead of UK format (02/05/2014).
The code that is being used is:
string Lines = FromFormat.Text + " from " + …