I continue to get this error as well. And it appears to have no relationship to file size. The only way I can consistently reproduce the error is when the page the upload control is located on is accessed from a Response.Redirect(''pagewithcontrol.aspx'').   If I ask the page through a traditional HTML link, the error is not thrown. ...

is there a javascript event that i can use after the progress bar disappears and before the FileUploaded method does its thing. When I am uploading several files the FileUploaded process could take a few seconds and I want to display to the enduser that processing is still going on and to hold tight.

My test just shows that the FileUploadedevent fires after every single upload is completed. I had it send me an email with a datetime stamp and I got 3 emails.

    Problem is I don't know how many items are going to be uploaded and I need to wait until ALL the items have been uploaded BEFORE I execute the function. Is there a way to accomplish that?

but what if you are uploading multiple files in the same process. and only want to send one email when all files are uploaded not when each file is uploaded??

OK. I got it. I basically added a check that bypasses the validation when accessing the CuteEditor files. Probably not the best solution, but it works.   Thanks for your help.

  If I remove the Global.asax file it runs perfectly. I removed parts of the file until I determined what was the cause. Apparently if include the following it will not load. This procedure is required to maintain our security. Is there something in here that causes an issue when loading the control?   Private Sub ...

Found the problem. It is the global.asax file. <%@ Application Language=''VB'' %>   If I remove the Language declaration then control begins to load...   Then I get a javascript error: Failed to load impl time!   Any ideas on this?

If I create a new project and copy the same files the editor renders with no problem. Are their any issues with also having the RichTextBox.dll control also involved in the project.

Adam. I didn't change the file structure at all and the account has read permission. I tried it 2 ways 1) where the project was the default website (http://localhost/editor.aspx) and also as a virtual directory (http://localhost/project/editor.aspx). Both have the same negative result. When I View Source of the rendered page I get ...