Exported Files Do Not Work When Put on Web
It seems to me that you've made some changes about Zoho Show recently. Unfortunately I am seeing bad consequences.
Exported presentations work fine locally. However, when they are put on the Web, they do not; when you click on "Click to view the presentation", the browser tries to find a "view.do" file, and fails to do so. I am guessing there is a bug in branching on whether the presentation is locally stored or is put on the Web.
Presentations previously exported do not have this problem, and they work fine even when put on the Web.