How to handle 12175 error while activating cFosSpeed

In the last 3 days there were technical problems on our server, which also affected the activation mechanism.
Meanwhile the problem has been fixed.
If you encountered problems with the license activation please try again.

If you experience a 12175 error while activating cFosSpeed we recommend to check this questions:

• Do you have installed all available Windows updates for your system?
  Are all root certificates up to date?
  
• Does your network environment allow SSL connections to the cFos server?
  
• Do you use any kind of security software that blocks the SSL connection to our
  server?
  

Tip: search the community for "winhttp error 12175"

Helpful links:
Error Messages - Windows applications | Microsoft Docs
Error Messages - Windows applications | Microsoft Docs