Browser doesn't open for sign in, Activation Manager

I have purchased the updated version 12 of the Cubase
I’ve been trying hard since yesterday to log in on the but I couldn’t log in
I tried all the solutions on the internet, I changed the version of Windows
i try it in windows 10 21H2 and windows 11 21H2 but nothing change
my exatly problem is when i click on sign in buttom did’t open any defult browser and i cant sign in
Please send the solution quickly
Thank you

Do you have any anti-virus or network filtering software installed on your computers?

1 Like

I get the same error. Disabling the antivirus software didn’t help either.

yes i has stop it but it’s didn’t help me