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What to do when technical problems come up?

Here you can find infos on browser updates, cookies and caches.

  • How do I update my browser?

    An older browser has 2 serious disadvantages:  First of all, it is a security risk, as a current browser is also adapted to the current security risks, which is no longer the case with an older browse...

  • How does a Captcha work?

    Captcha stands for Completely Automated Public Turing Computers and Humans Apart (= a mechanism that differentiates between humans and computers). It is used to ensure that certain functions are not u...

  • How do I make a screenshot?

    You found a mistake on our website and want to deliver the evidence for it? Then a so-called Screenshot is always helpful.  A screenshot takes a snapshot of your screen - no matter if you are online w...