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urlmon.dll ordinal error 410, 423 and 459

May 12, 2014

DLL ToolDLL Tool downloads and repairs urlmon.dll ordinal problem 410, 423 and 459 for PCs running Microsoft Windows 8.1/8/7/XP/Vista OS, both 32 and 64 bits.

Something you have to know about urlmon.dll

Urlmon.dll contains functions used by Microsoft OLE (Object Linking and Embedding). It is also known as the Uniform Resource Locator monikers DLL. It allows an application to bind a resource which is specified by a Uniform Resource Locator (URL) to a moniker.

Monikers can be serialized into stream objects. This consistent access mechanism allows applications to automate connections to objects. COM provides built-in implementations for File, Item, and Composite monikers. Urlmon.dll holds a URL that allows client applications to access server resources on the Internet using a variety of protocols.

Urlmon.dll error messages of 410, 423 and 459

  1. Ordinal 423 could not be located in the dynamic link library urlmon.dll
  2. This message appears when loading the windows, after downloading Internet Explorer 8 and restarting computer. Regsvr32 urlmon.dll is completed but system still won't boot. The ordinal 459 could not be located in the dynamic link library urlmon.dll
  3. This message appears when you try to open software, install a program, such as Sophos antivirus, Windows recovery, league of legends and so on. Or it may appear all of a sudden while your computer is functioning normally; it does not seem to be affecting any process, just an annoying message that will not go away.

Causes of ordinal 410, 423 and 459 errors

It may have nothing to do with update or change to your computer recently, and Internet Explorer seems to be the prime culprit.

This issue may occur if the Urlmon.dll file is missing, damaged, or improperly registered. The error means you have the wrong version of urlmon.dll installed or are running a program expecting a later version of urlmon.dll. I had this problem after my security scan discovered and locked away these files and I deleted the files.

Solutions to urlmon.dll ordinal 410, 423 and 459 errors

Regsvr32 won't fix this error. Regsvr32 fixes com registration. However the error is from trying to load a dll using dynamic linking. Shdocvw and BrowseUI used to be self registerable but not for a long time, so running regsvr32 on these files won't work.

Method 1:

Copy urlmon.dll off another PC with the same service pack version and replace your missing/corrupt one on the broken pc.

Actually, rename your old one to urlmon_bad.dll and then copy over the new one. For some reason urlmon.dll got corrupt during the install of your IE.

Simply, you can use DLL TOOL download a fresh copy of urlmon.dll and reinstall it. DLL TOOL has large collection of dll files that are safely kept in server stored database.

Method 2:

It is suggested to boot into safe mode and test the issue.

Method 3:

It is suggested to perform a SFC Scan and check if it helps.

The System File Checker tool (SFC.exe) scans for missing or corrupted system files and repairs them.

Finally, try to run DLL TOOL to check your system for any more dll errors, and clean up registry so as to prevent this Urlmon.dll error from happening again.