Dashlets not adding to home page

[rexavh]

Hi,

When customising the Home page I am able to remove dashlets but not to add them. I am able to reset to the default set of dashlets from the My Account link, but this includes some dashlets I don't want and does not include some that I do want. I am not the only affected user,

When I click on the Add Dashlets button and select the dashlet I want to add, I see red messages saying "Adding Sugar Dashlet", "Saving Layout", Sugar Dashlet Added", "Layout has been saved" and the other dashlets nudge down, but the added dashlet itself does not appear.

Can anyone suggest how I can resolve this problem.

I am using Version 5.2.0a (Build 5447) on Windows 2003 Server

[kinshibuya]

Have you done any customization?
What is in your error_log?