Important information for Mac OS X (10.10 Yosemite and older) users


Mac OS X (10.10 Yosemite and older) users that are experiencing problems with ID-card usage should follow these steps:

  1. First make sure you have installed the required web components from
    • NB! Web components have to be renewed if you have updated your operating system (ex. 10.9 > 10.10)
  2. After installing web components, restart your computer (keep card reader connected to USB port if possible).
  3. Make sure that KeyChain Access identifies the document in the card reader. If it cant then restart your computer.
  1. Make sure that ID-card browers add-on's are enabled, instructions can be found at 
  2. DigiDoc3 client and ID-card utility have to be closed for authentication and digital signing in web browsers to succeed, close them with QUIT menu choice or with CMD+q.
  3. After digitally signing with ID-card in web browser it may not be possible to authenticate during the same browser session. When authentication doesnt work after digital signing:
    • Close all browser windows - NB! Always use the Quit button as otherwise the browser can stay working in the background. 
    • Remove card reader and reconnect it with USB port.
    • Insert ID-card in the reader and try again.
  4. If you still cant use your ID-card then:   
    • Check if your computer has Avast security software installed, if it does then temporarily disable it.
    • When possible, try different web browsers (Google Chrome, Mozilla Firefox, Safari), preferred web browser for Mac OS X is Mozilla Firefox.

More reading about Mac OS X 10.10 problems with web components can be found in widely known international expert Ludovic Rousseau's blog:

Mobiil-ID is the most reliable solution for using e-services with Mac OS X. Mobiil-ID doesnt rely on additional software or operating system. Read more about Mobiil-ID at



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