[object reference not set to an instance of an object....]

hi,yes when i quit the programm...any idea why?

[object reference not set to an instance of an object....]

object reference not set to an instance of an object....  why????? also sais:

 

at e5.j0

at

Castle.MicroKernel.LifestyleConcerns.DisposalConcern.Apply      and

 

 

Castle.MicroKernel.ComponentActivator.AbstractComponentActivator   ...... why????

 

i have the latest netframework installed....

 

 

[ComponentActivator Error]

same problem with framework 4.6.1...any solution?