mynetx

As promised, today we will be talking about how to fix error 8100030d when trying to sign in to Windows Live Messenger. The solution is to empty your Contacts cache. The single steps depend on your Windows version.

Windows Live Messenger is using the same Internet libraries as Internet Explorer, and thus also using the same connection settings. This means that if Internet Explorer is set to Work offline, Messenger will consider this and deny to sign in.
To disable Internet Explorer Offline mode, try the following.

Click Start, Internet Explorer.
On the right, [...]