zoom wont open

Zoom had been working fine for years on desktop computer then 2 weeks ago something went wrong. It will only open by clicking on "open in my browser" and then I can only get the audio. The video won't open. I uninstalled Zoom, did a restart and reinstalled it. I still have the same outcome "in the browser " only. Windows 10 shows it in a folder and there is a Zoom icon on the taskbar. But Zoom will not open. When I click on the folder or icon I get 2 seconds of an hourglass but it will not open. My Task  Manager does not show Zoom as being present. I have followed videos that  I found on Google but they do not address this issue. I have checked the settings on Windows 10 for video, camera and audio. They are correct. I don't get any error message from Zoom. Please, can anyone help me? And Zoom on my laptop computer works fine. Thanks, Jim K 

Thank you