I am trying to install DotNetNuke 4.1.9.3 Source on Windows XP with VS 2008 and MS SQL 2008. 

After the optional skins and containers page, there are none to choose from, I get an error

Server Error in '/DotNetNuke_2' Application.

---

Value cannot be null.
Parameter name: value

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: value

Source Error:

Line 99:             End If
Line 100:
Line 101:            objCache.Insert(CacheKey, objObject, d, AbsoluteExpiration, SlidingExpiration, Priority, OnRemoveCallback)
Line 102:        End Sub
Line 103:

Please Help!