[SOLVED] Webapp and Webaccess authroziation errro

[ZAKhan]

I have installed the latest Zentyal and working fine till now .. i am using it as an email and file server. The webapp and webaccess are now giving me the following error

Authorization Required

This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required.
Apache/2.2.22 (Ubuntu) Server at 192.168.1.10 Port 8088

It was working fine till this morning, i just did the updates and got this error now.

Please help this is a production server.

[ZAKhan]

Solved .. single singon was checked.