I have had windows live messenger ever since beta form, and currently have it in its latest form. All of a sudden I cannot log on, I have made no changes- and it has got me confused an frsutrated! Windows Messenger works fine, web messenger and msn messenger 7.5 all work too. When I use live messenger, it simply does not log on, it comes up with error 81000306. I have googled the problem, used the 'help' feature, and contacted MS twice, but non of their solutions have worked. (Ranging from clearing cache, to temporarily disabling all security software) but nothing has worked, it still comes up with the same problem. I have Windows XP, and my security software is the lastest zone alarm security suite. I have gone as far as restoring xp to a point where it worked, and uninstalling and reinstalling messenger numerous times. Any help would be really appreciated, thanks