When I try to reload a large component into a large model or just bring it in, the program hangs up. Ditto cut and paste into the model with the component. Anyone run across this? It happens on windows 7 and 10.
How long are you waiting? If both model and component are large in relation to your machine spec, it may just take a long time - up to many minutes. I can’t see your machine spec in your profile.
Have you purged the model to reduce its size? And checked other suggestions to keep model as small as possible?