Yes the login/logout problem has been fixed so that should not cause any further issues.
I have just disabled the CAPTCHA security image that has been causing issues for members too.
Its been an incredibly frustrating few days trying to work with our hosting company to sort out the other problems. We are hopefully going to complete the upgrade to the new software within the next couple of days, then I will be looking for a more reliable hosting company too.
“In health there is freedom. Health is the first of all liberties.” - Henri Amiel