I'm currently running Solidworks 2019. Whenever I try to add a series of chamfers or fillets, Solidworks likes to cancel out of the action before I have time to select all of my edges. It doesn't seem to be consistent, as sometimes I can make it 30 seconds into selecting edges before it cancels, or other times where it cancels within seconds of selecting my first edge.

To get around it, I try to quickly grab 3-5 edges to complete the feature before it has a chance to cancel on me. This results in multiple 'Fillet' and 'Chamfer' features in the Design Tree, making the Design Tree cumbersome to navigate.

Any suggestions would be greatly appreciated, as it's only a matter of time before I select a wrong edge or miss a edge during my race against the 'cancel' clock. Thanks!