Unable to connect: Still unable to connect to Microsoft Dynamics CRM

Problem appears to be a permissions issue on the _img directory (requires anonymous enabled.

http://support.microsoft.com/kb/951146

or

https://mbs.microsoft.com/knowledgebase/KBDisplay.aspx?WTNTZSMNWUKNTMMYXUPYZQPOUXNXSPSYPVMNLKNQXSKLXSMWOUNSQUOTKTMRZQZSNQQMKQXQSTXKLNNRYOZLPQOZUMROKQRX