That number in the executable file means that there is a problem, because it shouldn't be there.

Did you try to uninstall and reinstall? Did you try with a clean profile?

And the problem would be...? If you don't say what the problem is, no one will be able to try to help you.

Use English in this forum.

It supports Opera? If so, then ask them how to enable it for Opera.

O fato de que você não usava senha no computador, não significa que não existisse uma.

Like everything that mentions flags, it's just a workaround.

Maybe you can try changing the install path to see what happens.

Or maybe you can change the shortcut to something more easy for you to remember.

Tenta a senha do seu antigo PC.

I don't think you can have both.