Missing Export HCCUTILS.DLL:IsDisplayValid Error for Intel® Graphics Drivers


Error Messages



What are you seeing?

  • Error: The IGFXTRAY.EXE file is linked to missing export HCCUTILS.DLL:IsDisplayValid
  • Error: The HKCMD.EXE file is link to missing export HCCUTILS.DLL:IsDisplayValid

What are you seeing it?

The errors may appear when you start Windows* after reverting to a previous version of the Intel® Graphics Drivers. For example, when you go from a 6.x graphics driver to a 5.x graphics driver.

How to fix it

  1. Select and copy the text between the rows of asterisks below:

    DelReg = Intel.DelReg


  2. Paste the text into Notepad and save it to C:\ as fixreg.inf. Be sure to select Save as type: All Files in the Save dialog box.

  3. Navigate to C:\ in Windows* Explorer.

  4. Right-click the fixreg.inf file and choose Install. No confirmation is given.

  5. Reboot your system.