The installshield engine (ikernel exe) could not be launched interface not regis

when I'm installing a program an error coming that The installshield engine (ikernel exe) could not be launched interface not registerred.
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  1. is it only one program in particular that you cannot install? Or does it happen with any program?
  2. EDIT: Those worried faces are meant to be the : and / in file locations. That's pretty hilarious.


    I'm having precisely the same problem (with just one prgram that I'm trying to install: the game Europa Universalis III, known to be compatible with Windows 7 64-bit, which is what I'm running). I tried following the advice in the link that dodger46 posted, but the only folders I have in C:/Program Files (x86)/Common Files/InstallShield are 'Driver' and 'Professional'; there's no 'engine' folder. I tried running the IKernelUpdate.exe anyway, but I get the following error:

    The InstallShield Engine (iKernel.exe) could not be launched.

    Class not registered.

    (This time it's "Class", as opposed to "Interface" not registered). If I go into the C:/.../InstallShield/Driver folder, there are two folders called '9' and '11', both of which contain one folder called 'Intel 32'. So I tried renaming the 'Driver' folder and running the IKernelUpdate.exe again, but the exact same error occurred.

    Any advice would be greatly appreciated. Thanks for reading.

    EDIT 2: It's now saying "Class not registered" instead of "Interface not registered" when I try and install Europa. I'm not sure when or why that changed.
  3. Ha! It was Avast antivirus. I temporarily disabled it and Europa installed fine. :pt1cable:
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