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What to do when technical problems come up?

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

  • How can I delete cookies / caches in Google Chrome?

    The cookies and the cache are two technologies that facilitate web browsing. Cookies are files created by websites that are visited, and the browser's cache allows pages to load faster. Clearing the b...

  • How can I delete cookies / caches in Firefox?

    Cookies can also be deleted with Mozilla Firefox. If you use Firefox, you can clean up your Internet traces similarly to Chrome: Press and hold the keys Ctrl, Shift and Del. The window Delete recent h...

  • How can I take a screenshot?

    You have found an error on our site and want to provide us with proof? Then a so-called screenshot is always helpful. A screenshot takes a snapshot of your screen - no matter if you are online with yo...

  • V2 How can I delete Cookies & Caches from my smartphone or tablet

    Cookies can be deleted directly from your smartphone or tablet. Please distinguish between the two software systems Android and iOs.  Delete cookies from an android device: First open the app internet...

  • What is the Captcha and how does it work?

    Captcha stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It is used to ensure that certain functions are not used by a script, but by a human. On Kaufmich the cap...

  • How can I update my browser?

    An outdated browser has 2 serious disadvantages: Firstly, it means a security risk, because a current browser is also adapted to the current security risks, which is accordingly no longer the case wit...

  • 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...