I'm using the default install of DotNetNuke 5.6.2 as provided by GoDaddy.com.

I'm having the same basic problem with IE 8.0.6001.19048  and Firefox 3.6.16.

I log on as either the site admin or the superuser.

At the top of each module on a page is the module title.  To the left of it is a small triangle graphic that is for the module menu.  When I try to access this menu by moving the mouse over it, it misbehaves.

Doesn't matter which module I pick, I get the exact same behavior.

On firefox, the triangle turns into a whirling gear-like icon. The menu control just goes off to la-la land and the graphic continues to whirl. 

On IE, I get the same whirling gear-like icon.  Then I get an error message show up in the IE status bar.  This is the error message:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; MDDC; .NET CLR 3.5.30729; InfoPath.2; .NET CLR 3.0.30729; .NET CLR 4.0.20506; OfficeLiveConnector.1.5; OfficeLivePatch.1.3)
Timestamp: Sun, 1 May 2011 02:24:44 UTC


Message: Sys.ArgumentException: Cannot deserialize empty string.
Parameter name: data
Line: 5
Char: 50445
Code: 0
URI: http://www.medievalartisan.info/art/ScriptResource.axd?d=phbOSuMWTCyit6mIlmoCxII81DAvkNEVC2MQkiyfySRcTLN_j_2rJ5oYzOHVdkfe5ycVQpg6imdCE8DepQ5wlbt5pWV7Q7qkV_gAteKZn7J6IWF_SYRo1trGz5kLe6O55DFK8sH6ZeBv3pNDdg-L4yGW-q41&t=2610f696

Anyone have an idea of how to fix this?

Thanks in advance!

I did the default install and used the default (and only) skin.  The skin name is "Minimal Extropy", which is what I'm guessing you meant.

Glad you worked it out.

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Steven Webster
Manager, Community Platform
F5 Networks, DevCentral