Partial Zoom meeting failure and freeze
On both Monday, 13 Sept. 2021, and Wednesday, 15 Sept., the class Zoom partially froze up. About thirty or thirty-five minutes into the Zoom session, with nearly 30 students attending, while screen sharing a powerpoint, something I have done frequently over the past two years with no trouble, the powerpoint froze on the students' screens, and then went blank. However, the students could still hear me and I could hear them. I could still see the powerpoint on my screen, as well as some of the students' faces in the thumbnails on the right, but other features disappeared. When I tried to stop share, the button was unresponsive and would not stop share. The other Zoom controls, including ending the session, became unavailable by disappearing from the bottom of the screen or becoming unresponsive. I could still go to other pages in my own computer, which appeared to be functioning normally. When I went to the Canvas Zoom page with the start