Lightroom is making a call the the AGkernel.dll file but the file is unsure what to do because it can't find the line of code within itself to make a response. This can happen for a number of reasons which fall under these two broad categories: AGkernel.dll is damaged and needs to be repaired or AGKernel.dll is the wrong version and needs to be updated to the correct version.
Here are some things you can do to fix the file:
-Reregister AGKernel.dll with Windows: https://support.microsoft.com/en-us/kb/249873
-Repair Windows: https://support.microsoft.com/en-us/kb/929833
-Install all available updates for Windows: Install Windows updates
-Uninstall and reinstall Lightroom
I tried all the step and it was not solved.
Ignore my previous reply, after clean all the software and after download the software again and apply the last update prior to launch the application. No the error do not appear. Probably the problem was not have the software updated after the fresh install.