Can you check that no permissions have accidently been changed to stop this from being updated. Can you also check your log files. Are they showing any errors? What server are you running? Win2k3?
I am sure there must be an answer to this.
Oh and check that you have the aspnet client folder sitting in the root directory. I have had some issues with it not being there on my win2k server.
Did the developer add any modules to the site, or change the web.config file, or move the folder from a dev environment to a live one, and not change the folder permissions.
I'm just thinking off the cuff here, since I'm not back in my office yet, but I know there are some unusual things that can occur when things are chnaged.
Can you provide a couple of answers here so we can help you solve this - and really, DNN is a remarkable application to work with and I'm sure there is an answer.
Nina Meiers
Nina Meiers My Little Website
If it's on DNN, I fix, build, deploy, support,skin, host, design, consult, implement, integrate and done since 2003.
Who am I? Just a city chic, having a crack at organic berry farming.. and creating awesome websites.