Management reporter configuration console crashes when i try to REMOVE the Integration

Dear 

I am trying to rebuild the management reporter data mart,

http://www.everythingdynamicsaxbi.com/2016/02/01/38/

but for some reason when i click on REMOVE Integration (step 4 in the link) Management reporter configuration console crashes , and i have to start all over again 

am i able to remove the intergration in some other way