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Contact us about technical problems, questions regarding your order, business proposals or press information.

Speed too low?
Maybe the cFos Speed Guide can help

Where is my license key?
Contact us, because your order takes a long time

Turn off the status window?
How to turn off auto-open of the status window

Quickly help yourself

For preliminary information you may want to consult our page for OEM partners

Press, Artwork, Covermount

  • Our licensing terms allow to include our 30-day free trial version on magazine covermount CDs for free.
  • Free Artwork in high resolution print quality can be found on our artwork page
  • Our latest press releases
  • Press reviews of our products

Quickly help yourself

Please check your spam folder. Your license key is an email attachment and may have been classified as spam.

Please allow us 2 working days to process your order. If you don't receive your license key within 2 business days, we may be unable to find your payment. Often people order with one email address and pay with another. Please fill out the following form as detailed as possible. This will help us to send your license key as quickly as possible.

Where is my license key?

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Reclaim your lost license key

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For tips how to improve your Internet speed with cFosSpeed, see the cFos Speed Guide .

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Please refer to our cFos Speed Guide for help, how to calibrate cFosSpeed for optimal performance .

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Please refer to our cFos Speed Guide for help, how to get maximum speed .

Quickly help yourself

Please refer to our cFos Speed Guide for help, how to get minimum ping .

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Here you find help how to install your license key .

Here are additional hints how to find and install your license key .

Quickly help yourself

Sometimes other components, e.g. network drivers, anti-virus software or anti-spyware, in the network installation prevent cFosSpeed from being installed.

Here is help for the most common installation problems and what you can do if cFosSpeed doesn't install .

Quickly help yourself

You can deactivate the cFosSpeed status window by right-clicking on it and then select the following context menu options: window settings -> <your network adapter>. Then deactivate "auto-open/auto-hide".

Hide status window

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If you get a Bluescreen/BSOD caused by cFosSpeed, we need your help to fix it as quickly as possible.

Please create a kernel dump .

Quickly help yourself

Please see our important ISDN CAPI / Network CAPI hints .

Quickly help yourself

Please see our instructions on how to setup cFos Outlook DAV with Google Calendar .

Send us a message

Please enter your question or suggestion and your e-mail address into the form and press the "Send" button. We will contact you as soon as possible.