What is opat_um.dll information ?

opat_um.dll is a component of the software Windows (R) Codename Longhorn DDK driver developed by Oki Data Corporation. The latest version of opat_um.dll file is 6.0.6000.16386 and MD5 value is c150ccca8efc186e39617d14ed9356ec. This error can be seen on Microsoft Windows System.

Internal Name:
Company:
Oki Data Corporation
Product:
Windows (R) Codename Longhorn DDK driver
Version:
6.0.6000.16386
MD5:
c150ccca8efc186e39617d14ed9356ec
Copyright:
Size:
586240
Operating System:
Microsoft Windows System


Error Messages :

These are some of the error messages that can appear related to opat_um.dll:

  • "opat_um.dll has encountered a problem and needs to close. We are sorry for the inconvenience."
  • opat_um.dll - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program."
  • "Windows Disk Diagnostic User Resolver has stopped working."
  • "End Program - opat_um.dll. This program is not responding."
  • "opat_um.dll is not a valid Win32 application."
  • "opat_um.dll - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application."