[Typo3] cannot use BE at fresh installed typo3 quickstart

[Lars Houmark]

Hi Mikkel,

> in the meantime i've tried to install the dummy 3.8.0, but i get the
> same error.

Try these two.

1. Verify in the install tool that the database is uptodate, by using the 
compare function.
2. Check your client clock. A wrong time/date can be the reason for failing 
logins.

Regards,

Lars