Thank you for your help so far! I do have the following additional questions:
1. In my web.config file, there are the following references in the appSettings section:
<add key="Telerik.ScriptManager.TelerikCdn" value="Disabled" />
<add key="Telerik.StyleSheetManager.TelerikCdn" value="Disabled" />
Do I still needed these references? They are marked as disable. Thus they are probably not being used, correct?
2. When I did the msi installer, I did not see a reference for the manual upgrade. Did I miss something?
3. When the msi installer ran, it left files at the following location that I use:
C:\Program Files (x86)\Telerik\UI for ASP.NET AJAX R1 2017\Bin40 (for Visual Studio 2010). Do I need to keep these files around for any reason?
4. In the Telerik folder that I just listed above, I see the yearly folders for UI for ASP.NET AJAX 2014, 2015, 2016, and 2017. Is there a reason why I would need to keep any of these folders around? If so, can you tell me what folder I would need to be and why I would need to keep those folder(s)?