Ring PC App Failure

About two weeks ago, the Ring app on my PC quit working properly.1) I can no longer go to history and delete more than one item at a time2) I can no longer download an event to my phoneWin10 up to date. Former IT Pro.Called Ring and lady said use my cellphone app. WHAT?? That is not the problem. I want to use the PC app like it was!!!!! AAARRRRRRRGGGGGG!!!!!!Tried RESET on app. No. Removed and reinstalled 3 times. No.Worked for 9 months fine before this, now failed and Ring does not want to help.