Thank you for contacting us.
About the download progress - this is a known issue, thank you for reporting it to us, we will consider fixing it in the future.
About the installation progress - this is not a known issue.
Can you provide us with additional information?
1. Does this happens only with Kendo Professional
or you experience the same issue with other products, as well?
2. Does the whole installation completes successfully?
Looking forward to your response.
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items