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I'm trying to uninstall a program (VPN Dialer) and I receive this error message-The InstallShield Engine (iKernel.exe) Could Not Be Launched. Access Is Denied

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What operating system? If vista or win7, do you have administrative privileges? – Nifle May 27 '10 at 20:37
definitely make sure you're running as an administrator, but I believe Windows (Vista/7 anyway) turns admin mode on whenever an install.exe or uninstall.exe is launched anyway. – Jeff Atwood May 27 '10 at 20:42

I found one possible fix via Microsoft:

  1. At a command prompt, type: dcomcnfg.exe. The Distributed COM Configuration Properties dialog box is displayed.
  2. Click the Default Security tab.
  3. In the Default Access Permissions section, click Edit.
  4. Ensure that you have "Allow Access" beside your name.
  5. If you do not have "Allow Access" next to your name, either modify an existing profile or create a new profile that has the necessary permissions.
  6. Apply all the changes and attempt to run Setup.

Apparently ikernel.exe is an InstallShield app? They have a possible fix on their site too

According to InstallShield, the makers of the setup program, this is usually caused by cancelling the setup program, then starting it again too soon.

Wait a minute or so, then try again. If this doesn't work, try rebooting your computer.

This can also occur when the engine file, iKernel.exe is locked up by something. You can get rid of this error by removing the engine files from the Common Files folder. Go to Program Files/Common Files/InstallShield/Engine. Delete the whole Engine folder. Try running the setup again.

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The installshield Engine iKernel.exe could not be launched

I suffered from this error for a week. I hope it will help any of you facing this issue.

I was setting up a VPN on a xp virtual machine and I kept getting this error when trying to run an installshield setup. Here is how I fixed it:

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