Your web browser does not know which application should handle the .ica file extension. The Fix (Windows): Right-click the downloaded .ica file. Select Open with > Choose another app .

Outdated browsers lack modern security root certificates. Update Chrome, Edge, or Safari to the latest version.

If you’ve worked through this entire guide and still encounter issues, you have likely uncovered a deeper configuration or environmental problem. Be sure to include which error messages you saw, what steps you’ve already tried, and the exact Citrix Workspace app version you’re using. With that information in hand, technical support can diagnose the root cause and get you back to your virtual apps and desktops.

Click your name in the top-right corner of the Receiver dashboard and select Refresh Apps .

Citrix Official Downloads Portal — For fetching the latest client software.