How to associate .ica files with Citrix. ... - In Windows 10: Open the Start menu and begin typing Default Programs in the search field. Click the Default Programs link in the search results. - In Windows 8: Run a search, enter default programs, and click Default Programs.
Under Name, find .ica file type. Ensure that the current default is set to Citrix Connection Manager. If not, click Change program and choose Citrix Connection Manager. Note: Connection Manager is the wfcrun32 file located at C:\Program Files (x86)\Citrix\ICA Client. On Windows 10, this file is located at C:\Program Files (x86)\Citrix\.
To fix this, you must change the default application associated with the .ICA file extension. The process below is different for each version of Windows. Windows 10 users especially should contact their IT professionals for help with these steps, as the menus in Windows 10 have changed several times.
Now that "upgrading" to windows 10 has changed my file associations back to windows programs I don't want to use, I can't change file associates back. ... Can't change default programs in windows 10 (Resolved) ... and the set your default programs control panel option leads to a bar that has been loading all morning.
Use Settings in Windows 10 to change default apps and programs.