You can change the personalization settings to make the highlight color easier to see.
To adjust this setting on Windows 7 or Windows 8:
1) Open the default Windows Control Panel.
2) Select Appearance and Personalization.
3) Select Change the theme.
4) Choose a high-contrast theme and apply the changes.
An alternative method of adjusting this setting on Windows 7:
1) Open the default Windows 7 Control Panel.
2) Select Appearance and Personalization.
3) From the Personalization category, select Change window glass colors.
4) Click on the Advanced appearance settings hyperlink.
5) From the Item drop-down menu, select Inactive Window Border.
6) From the Color drop-down menu, choose a color to suit your preferences.
7) Click Apply, then OK. Finally, click the Save changes button.
Your new highlight color should now be reflected in ArrayStar.