Offline Network Agent Client Side Caching – CSCDLL.DLL
Cscdll.dll belongs to the Microsoft Offline Network Agent. It is responsible for client side caching. This file installs with Windows XP Home and Professional. You may find it in your c:\windows\System32 or c:\windows\servicepackfiles\i386\ folder. This file is referenced in the Winlogon Notify section of the registry and may run on system startup.
Here are some fixes for common problems relating to this file:
You cannot save a file from your Windows XP-based or Windows 2000-based computer to a shared folder on a file server - http://support.microsoft.com/kb/895900/.
Your access to network resources is slower in Windows XP than in earlier versions of Windows -http://support.microsoft.com/?kbid=834350.
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Microsoft