The system is safe to use at weekends now at any time.
Altair Admin v2.10.0 - Login Page
Please Note: We are aware of the login issues, the hosting company is in the process of fixing this
Can't log in?
Here’s the info to get you back in to your account as quickly as possible.
First, try the easiest thing: if you remember your password but it isn’t working, make sure that Caps Lock is turned off, and that your username is spelled correctly, and then try again.