Citrix URL is valid but not added to trusted sites.Default programs not set correctly in Windows.Citrix installed but not the correct one.There could be multiple reasons for this issue of Citrix ICA files not launching, for example: Problem Causes For Citrix ICA Files Not Opening: So in that case it becomes difficult to figure out the cause of this issue. Sometimes, if you try to launch an app from Citrix URL, it downloads a file with ICA extension but when you click on it to launch, nothing appears on the screen. Today we will talk about a very common Citrix problem on Windows operating system. ica extension not opening after download – fix ICA Files Lifecycle
