Generally only the yellow screen unhandled application errors can be seen in more detail by turning off customErrors in web.config. The generic error "An error has occurred" is one thst is generated by the DNN framework. Here are a few ways to start troubleshooting this:

1. Did you note any errors being reported during the upgrade? If so, those errors may have been logged in the corresponding xx.xx.xx.log.resources files found in the site's Providers/DataProviders/SqlDataProvider folder.

2. DNN 6 introduced a new logging mechanism (log4net). If you upgraded to 6.x any errors logged to this system should be found in files named yyyy.mm.dd.log.resources (where yyyy is the year, mm the month and dd the day) found in the site folder Portals/_default/Logs/.

in either case the log files are simply text files which may be opened with Notepad, etc.

3. Unfortunately you may need to look through the EventLog table in the site's MS SQL Server database for additional clues. Most of the error details are found in the LogProperties column as an Xml serialized string. It's hard to read - I've got to finish working on my WPF program to extract and format this information similarly to what is shown in the DNN Admin-->Event Viewer - but one brute force way is to copy the contents of one row of this column to the clipboard and paste it into a notepad text file which you save with an xml extension. You can then double click on this file to open it in your web browser to view properly formatted xml.

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Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner

William,

Thanks to your tips I think I finally have my fist solid lead as to how to solve my update problem. Here's what I did:

Upgraded to 6.1.2, and got no errors on the install, but the site gave me the same default error when I tried to access the site. The Portals/_default/Logs/ folder did not contain a current log, so I looked in the EventLog table in the site's MS SQL Server database. There I found numerous PageLoad Exception errors. There seemed to be one for every time a page on my site which contained the HTML/Text module tried to load. The pertinent info is:

'~/Telerik.Web.UI.WebResource.axd' is missing in web.config. RadStyleSheetManager requires a HttpHandler registration in web.config. Please, use the control Smart Tag to add the handler automatically"

Can you tell me how I can do that, and perhaps suggest why that didn't happen automatically?

Thanks again so very much for making these suggestions.!

Patrick