I went back and clicked the "Unblock" button in the properties window for the zipped folder for DotNetNuke_Community_06.01.05_Upgrade.zip folder. I then unzipped that folder into a separate folder in the Documents folder on my local computer. From there, I copied those files over the files in the DotNetNuke folder within my website located on my local computer. Lastly, I FTP'd those files to the production website's DotNetNuke folder, overlaying the existing files on the production website.

Unfortunately, I am still getting the same error (see at bottom.) It does seem that some file on my production server is out of sync with the 6.1.5 upgrade files. Since it is pointing to the ie.browser file within the App_Browsers folder, is there something I can do to resolve the problem by only dealing with the files in the App_Browsers folder? Apparently there appears to be a value somewhere within this file that is incorrect based on the general error message of "Data at the root level is invalid. Line 1, position 1." Thus it could be any value in the ie.browser file.

Is there a value in another file in the DotNetNuke folder that is being compared to a value in the ie.browser file? Is it possible to look at this other file(s) to determine the source of the problem?

Lastly, should I just install the 6.1.5 New Install files? I guess the problem might be that I would have to wipe out the existing files which could lead to me losing some part of the existing site?

Thanks, David

Server Error in '/dotnetnuke' Application.

---

Parser Error

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Data at the root level is invalid. Line 1, position 1.

Source Error:

Line 1: <browsers> Line 2: <browser id="IE5to9" parentID="IE"> Line 3: <identification>

Source File: /dotnetnuke/App_Browsers/ie.browser Line: 1

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

 Thanks for your reply, Sebastian. I went back and clicked the "Unblock" button in the Properties window for the 6.1.5 upgrade zip file. I then again copied those files to the DNN folder on my local PC. Next I FTP'd those files to the DotNetNuke folder on my production web server. Unfortunately, I'm still getting the same error message for the ie.browser file within the App_Browsers folder.

This could be associated with the fact that my previous upgrade to version 6.1.4 resulted in the popup window (that appears when logging in, editing contents or the settings) not closing after clicking the submit or upgrade button within the popup window. I then have to manually close that popup window and things are OK after that. That suggests that the 6.1.4 upgrade might not have fully suceeded in installing properly and that it is had some form of a browser problem, as well. So when I upgraded to 6.1.5, perhaps it propagated the browser problem from version 6.1.4?

It appears that my only option is to start over with a fresh complete install of version 6.1.5.

Thanks,
David 

 Thanks for the suggestion! I changed the Transfer method in FileZilla to Binary and uploaded all of the DNN folders and files. Unfortunately, I'm still getting the error pointing to the ie.browser file.