dotnetnuke error:

I have tried to install a simple Iframe module and get this error. Which is of the same type of error, i get when I tried installing any of the modules (i have from snowcovered)...so the problem is not in the modules themseleves. and these module work on other DNN websites.

when I try installing use the Module defintion install module ..I get the following error

A critical error has occurred.
Access to the path 'C:\HostingSpaces\oakboc\oaklandbocevents.com\wwwroot\Install\Temp\z4kljxtt' is denied.

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I have also tried to refresh the Module Definitions in the DNN Module Definitions --- and i get this error.  ?
 
An error has occurred.
DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Services.ModuleCache.FileProvider.GetCacheFolder(Int32 portalId) at DotNetNuke.Services.ModuleCache.FileProvider.Remove(Int32 tabModuleId) at DotNetNuke.Entities.Modules.ModuleController.SynchronizeModule(Int32 moduleID) at DotNetNuke.UI.Containers.ActionManager.ClearCache(ModuleAction Command) at DotNetNuke.UI.Containers.ActionManager.ProcessAction(ModuleAction action) at DotNetNuke.UI.Containers.ActionBase.ProcessAction(String ActionID) at DotNetNuke.UI.WebControls.SolPartActions.ctlActions_MenuClick(NavigationEventArgs args) --- End of inner exception stack trace ---

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westdhAsked:
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Bill CochranConnect With a Mentor Developer/AnalystCommented:
This sounds like you do not have the correct permissions on the web servers folder structure.  Check with your hosting administrator to make sure the dnn folder structure permissions are set correclty...i can look them up for you if you like (i don't have them on the top of my head).  Change permissions are required by the user that dnn runs as if i recall correctly.  

did the permissions change after dnn was installed?  

what hosting provider are you using?  i may be able to help with more specific information.
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westdhAuthor Commented:
arvixe.com is the host.. I switch back to version 5.2 and it works now. also the refresh feature works also.
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westdhAuthor Commented:
can you help me with this problem???

I am missing this code .... in this version of DotNetNuke Community Edition... running version 05.01.00 (773) . when i try to add... Admin User Accounts or Host Accounts I found that the following code is missing when i view the source. I selected User accounts in the Admin tab. I can only modify one account... I cannot add another account becasuse the following code & image buttons are missing at the bottom of the User Account Page. How can I add the code to the page and where do i edit the page...or what control do I repair to get this working. this is a new install i do not know why it is missing. I took the following code from a previous workin site. but  now i need to modify this new site's DNN version?

Missing code and button images

<div class="c_footer">
    <span><span><input type="image" name="dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl01" title="Add New User" src="/dotnetnuke/images/add.gif" alt="Add New User" style="border-width:0px;" />&nbsp;<a title="Add New User" class="CommandButton" href="javascript:__doPostBack('dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl02','')">Add New User</a></span>&nbsp;&nbsp;<span onClick="javascript: return confirm('Are You Sure You Wish To Delete These Items?');"><input type="image" name="dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl04" title="Delete Unauthorized Users" src="/dotnetnuke/images/delete.gif" alt="Delete Unauthorized Users" style="border-width:0px;" />&nbsp;<a title="Delete Unauthorized Users" class="CommandButton" href="javascript:__doPostBack('dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl05','')">Delete Unauthorized Users</a></span>&nbsp;&nbsp;<span><input type="image" name="dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl07" title="Manage Profile Properties" src="/dotnetnuke/images/icon_profile_16px.gif" alt="Manage Profile Properties" style="border-width:0px;" />&nbsp;<a title="Manage Profile Properties" class="CommandButton" href="javascript:__doPostBack('dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl08','')">Manage Profile Properties</a></span>&nbsp;&nbsp;<span><input type="image" name="dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl10" title="User Settings" src="/dotnetnuke/images/settings.gif" alt="User Settings" style="border-width:0px;" />&nbsp;<a title="User Settings" class="CommandButton" href="javascript:__doPostBack('dnn$ctr366$dnnACTIONBUTTON1$ctl00$ctl11','')">User Settings</a></span>&nbsp;&nbsp;</span>
   
 
    <span><span><input type="image" name="dnn$ctr366$dnnACTIONBUTTON4$ctl00$ctl01" title="Settings" src="/dotnetnuke/images/action_settings.gif" alt="Settings" style="border-width:0px;" /></span>&nbsp;&nbsp;</span>
</div>
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Bill CochranDeveloper/AnalystCommented:
Are you in view mode?  Check your radio buttons at the top left of the control panel.
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Bill CochranDeveloper/AnalystCommented:
Sorry, I should have been more clear.  You need to be in edit mode.  Make sure you are not in view mode.
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westdhAuthor Commented:
I am in edit mode; at it is still missing.
I the version I am running is version 5.1.0
i have ask the host to upgrade it to 5.1.4
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