NETUI1.DLL as an Essential Component of Microsoft Networking
An essential component of the Microsoft Windows operating systems’ network utilities, netui1.dll is described as the NT LM UI Common Code – Networking Classes. The netui1.dll file is found in Windows NT-32 systems, such as Windows NT, Windows XP Home and Professional editions, including SP1 and SP2. The default location for the netui1.dll file is C:\windows\system32\dllcache\netui1.dll. The legal copyrights of netui1.dll belong to the Microsoft Corporation.
Netui.dll is known to cause some problems when browsing the Internet, especially when there is a necessity for running Java Virtual Machine for accessing sites, such as sites with gaming and online applications. To get rid of this problem, the Java Runtime files have to completely removed and reinstalled in the relevant computer system.
As netui1.dll is loaded by the Internet Explorer application, most problems linked to netui1.dll appear when you are either trying to open the browser that is already browsing some web site. All of the common errors are associated with a missing or damaged netui1.dll file.
When you get a “missing file” or “file not found” error, first thing to do is check C:\windows\system32\dllcache to find out if it is there and the system is simply not recognizing it. Make sure it is a .dll extension and not a .cab extension. If it is either netui1.dl_ or similar .cab file, you will need to decompress it to extract the actual netui1.dll. If the file is present and the system still cannot locate it, you may have the wrong version of the file. To correct this, get the appropriate files from the Microsoft Support web site.
The errors can also be sorted out by using the original installation CD used to set-up Internet Explorer and reinstalling the application.
A damaged netui1.dll file can also be replaced by doing the above two methods. You can find out if a file is damaged or corrupted by going to Start, Run and typing sfc /scannow.