Thank Martin,

You wrote:
What exactly is the property that change? Disabledbackcolor 216,208,200 to 192,192,192


Can it be related with the color scheme you have set in each machine's desktop?
It changes from Red to Grey depending on what machine it is.

One other thing, there are similar text fields on the form, that aren't changing and are behaving correctly. I can't see the differences.

Larry