I recently upgraded my site to DNN 7.1.1 from 7.0.5. I also copied files when switching my staging and live site and reapplied permissions to the file system as per the install docs.

However, on certain actions I get this pop up windows (looks like IIS) -  I can't get past it and it.

http://screencast.com/t/2L0PsX3FXf

Strangely: When logged in as Host remotely I get this when I try to MOVE a module to a different pane, but when I log in as HOST directly on the server it works. However changing the profile pic as Host on the server does not work.

I have applied the Everyone role on the filesystem with ALL permissions and set them to be inherited and checked the lower folders - permissions seem to be fine. Everything else works on the site (e.g. I can upload documents in the journal, but I can't change the profile pic).

I have tried Chrome (V28) and IE and it's the same result. I tried the 2 web-config methods suggested in this post but no change.

Any help appreciated.

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Thanks Sebastian - Which user is this? Here is my PErmissions - the 3 users are from PowerDNN's setup for Plesk, IIS and the App pool. All have full permissions inherited all the way done. Which is the anon IIS User?http://screencast.com/t/R1jwwg0YqR

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