====== BK Root Certificate ======
Every 3 year our certificate is expired, therefore, you need to update it every time.
Certificates validity period may be checked [[development:certificates_validity_period|here]].
The latest and actual version of BK certificate is located here: [[http://tw.billetkontoret.dk/Install/InstallBKRootCertificate.exe]]
* You should get a "Success" for correct installation.
* If you get "Failed" than look at following list of the common problems which were found.
- You must have local administrator rights.
- You need to install [[http://tw.billetkontoret.dk/install/setup_SDK_pack.exe|SDK package]] (there is an [[http://www.microsoft.com/en-us/download/confirmation.aspx?id=8279|alternative way]] to install. To install only necessary features UNTICK all the options and continue).
- You need to install [[http://tw.billetkontoret.dk/install/dotnetfx1.1.exe|.NET Framework 1.1]].
- **FOR Windows XP**: [[http://www.microsoft.com/ru-ru/download/details.aspx?id=22|.Net Framework 3.5 SP1]] should be installed.
- FOR Windows Server 2003: a [[http://hotfixv4.microsoft.com/Windows%20Server%202003/sp3/Fix200653/3790/free/315139_ENU_i386_zip.exe|fix]] should be installed.