Class not registered when trying to install apps or even InstallShield update from installshield app ikernel.exe

We have an XP Home laptop that is having a problem with the error message 'class not registered' for several pieces of hardware that want to install their software - Iomega externa USB CD drive and Canon printer, and likely others that slip my mind right now.

When trying to install the Iomega apps, I get an error with ikernel.exe 'class not registered'.  Googling that, it's an InstallShield app.  Their website has suggestions of clean the temp folders, reboot, tweak DCOM settings, etc.  all were empty, configured correctly already, but the problem persists.  I found an INstallsheidl page saying to delete the engine folder and reinstall installsheild... even that gets the 'class not registered' message!

The machine runs OK other than when trying to install apps.  We are logged on as an administrator, there are no other users logged in or even that exist...

Other than a reinstall, any recommendations!?
LookingForITHelpAsked:
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ComputronCommented:
If this is happening with many installation packages then you may want to see if you can find a file on your system called regsvr32.exe. This file is used to register DLL files. From what I have read here, it sounds like your DLLs are not registering correctly when installing your software. If the DLLs for the programs you want to run are not able to be registered, you will not be able to run your programs. If you find the file, verify that it is not corrupted and works properly.

Hope this helps
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LookingForITHelpAuthor Commented:
I re-extracted that file from the i386 folder on the CD and compared them (with the one already installled) and they were the same, bit for bit.
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