Hey everyone! I just wanted to tell everyone that from reading the threads, alot of my questions have been answered.

But a problem still remains...

First, I began installing DDN, had a few major bugs, but in the end, everything went well.

Now after my installation is complete, when it is time for me to be redirected to the default.aspx page, I recieve an error:

Server Error in '/' Application.

---

Object reference not set to an instance of an object.

[NullReferenceException: Object reference not set to an instance of an object.]
   DotNetNuke.HttpModules.UrlRewriteModule.RewriteUrl(HttpApplication app) +369
   DotNetNuke.HttpModules.UrlRewriteModule.OnBeginRequest(Object s, EventArgs e) +699
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

Now, I am not sure if I should fix my webconfig file, but I also do not want to have to start over again in installation.  

1) I created a new database for DNN 4.5.3

2) I uploaded all of the files using FTP

3) I used the installation wizard:

-Passed Permissions check, passed database connection, created new modules, create all required usernames.

4) The wizard notified me that installation was complete. Then redirected me to: mysite.com/default.aspx.

5)Default.aspx has an error or "NULL/Interger" problem, and I have nooo clue what that means and where to begin to fix it :(

Please help