This is the error message I get when I click on the Users in the admin or host management area of the forum - A critical error has occurred. The added or subtracted value results in an un-representable DateTime. Parameter name: t

I am assuming this area is where I can add users of the forum

This is the error message I get when I click on the Users in the admin or host management area of the forum - A critical error has occurred. The added or subtracted value results in an un-representable DateTime. Parameter name: t

I am assuming this area is where I can add users of the forum

Can you post the full error Message from th Event log.

Which YAF Version?

latest version. Just downloaded it two days go.

latest version. Just downloaded it two days go.

As far as i remember this is a known Bug with the last visit date Time. This will be fixed in 1.9.6.2 and its already fixed in the Repository.