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Summary
This article describes how to remove the Up and Home buttons within Web Interface.
Background
Administrators may wish to restrict users’ access to their assigned folders within the Web Interface page.
Procedure
Important! Make modifications at the source code level at your own risk. Such modifications can cause serious problems that may require you to reinstall Web Interface.
1. Open the applistView.cs file in the \Inetpub\wwwroot\Citrix\MetaFrame\site\serverscrip ts\ directory with a text editor.
2. Locate the following line:

linkCssClass = "appLinksSmall";

3. Replace the following lines:

linkCssClass = "appLinksSmall";
topHref = PAGE_APPLIST + "?NFuse_currentFolder=";
topGif = "../media/top.gif";
topAltText = "Top";
upHref = PAGE_APPLIST + "?NFuse_currentFolder=" + Utilities.urlEncode(viewControl.getParentFolder()) ;
upGif = "../media/up.gif";
upAltText = "Up";

With the lines listed below:

linkCssClass = "appLinksSmallOff";
topHref = null;
topGif = "../media/top_off.gif";
topAltText = "TopDisabled";
topHref = null;
upGif = "../media/up_off.gif";
upAltText = "UpDisabled";

4. Save the changes and restart Internet Information Services (IIS).
More Information
CTX107175 – How to Set a Folder as Default In Web Interface 4.0

CTX113874 - How to Remove the "Up" and "Home" Buttons Within Web Interface